Move Keras code out of _impl folder and remove API files.

PiperOrigin-RevId: 197097430

28 files changed, 412 insertions, 412 deletions

diff --git a/tensorflow/contrib/keras/api/keras/activations/__init__.py b/tensorflow/contrib/keras/api/keras/activations/__init__.py
index d04838c218..3f0184276f 100644
--- a/tensorflow/contrib/keras/api/keras/activations/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/activations/__init__.py
@@ -19,22 +19,22 @@ from __future__ import division
 from __future__ import print_function
 
 # Activation functions.
-from tensorflow.python.keras._impl.keras.activations import elu
-from tensorflow.python.keras._impl.keras.activations import hard_sigmoid
-from tensorflow.python.keras._impl.keras.activations import linear
-from tensorflow.python.keras._impl.keras.activations import relu
-from tensorflow.python.keras._impl.keras.activations import selu
-from tensorflow.python.keras._impl.keras.activations import sigmoid
-from tensorflow.python.keras._impl.keras.activations import softmax
-from tensorflow.python.keras._impl.keras.activations import softplus
-from tensorflow.python.keras._impl.keras.activations import softsign
-from tensorflow.python.keras._impl.keras.activations import tanh
+from tensorflow.python.keras.activations import elu
+from tensorflow.python.keras.activations import hard_sigmoid
+from tensorflow.python.keras.activations import linear
+from tensorflow.python.keras.activations import relu
+from tensorflow.python.keras.activations import selu
+from tensorflow.python.keras.activations import sigmoid
+from tensorflow.python.keras.activations import softmax
+from tensorflow.python.keras.activations import softplus
+from tensorflow.python.keras.activations import softsign
+from tensorflow.python.keras.activations import tanh
 
 # Auxiliary utils.
 # pylint: disable=g-bad-import-order
-from tensorflow.python.keras._impl.keras.activations import deserialize
-from tensorflow.python.keras._impl.keras.activations import serialize
-from tensorflow.python.keras._impl.keras.activations import get
+from tensorflow.python.keras.activations import deserialize
+from tensorflow.python.keras.activations import serialize
+from tensorflow.python.keras.activations import get
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/applications/inception_v3/__init__.py b/tensorflow/contrib/keras/api/keras/applications/inception_v3/__init__.py
index abf8393ae4..6dfb5cab17 100644
--- a/tensorflow/contrib/keras/api/keras/applications/inception_v3/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/applications/inception_v3/__init__.py
@@ -18,9 +18,9 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.applications.inception_v3 import decode_predictions
-from tensorflow.python.keras._impl.keras.applications.inception_v3 import InceptionV3
-from tensorflow.python.keras._impl.keras.applications.inception_v3 import preprocess_input
+from tensorflow.python.keras.applications.inception_v3 import decode_predictions
+from tensorflow.python.keras.applications.inception_v3 import InceptionV3
+from tensorflow.python.keras.applications.inception_v3 import preprocess_input
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/applications/mobilenet/__init__.py b/tensorflow/contrib/keras/api/keras/applications/mobilenet/__init__.py
index b809e91193..67306cc51e 100644
--- a/tensorflow/contrib/keras/api/keras/applications/mobilenet/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/applications/mobilenet/__init__.py
@@ -18,9 +18,9 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.applications.mobilenet import decode_predictions
-from tensorflow.python.keras._impl.keras.applications.mobilenet import MobileNet
-from tensorflow.python.keras._impl.keras.applications.mobilenet import preprocess_input
+from tensorflow.python.keras.applications.mobilenet import decode_predictions
+from tensorflow.python.keras.applications.mobilenet import MobileNet
+from tensorflow.python.keras.applications.mobilenet import preprocess_input
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/applications/resnet50/__init__.py b/tensorflow/contrib/keras/api/keras/applications/resnet50/__init__.py
index 530805d150..a25ff48b59 100644
--- a/tensorflow/contrib/keras/api/keras/applications/resnet50/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/applications/resnet50/__init__.py
@@ -18,9 +18,9 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.applications.resnet50 import decode_predictions
-from tensorflow.python.keras._impl.keras.applications.resnet50 import preprocess_input
-from tensorflow.python.keras._impl.keras.applications.resnet50 import ResNet50
+from tensorflow.python.keras.applications.resnet50 import decode_predictions
+from tensorflow.python.keras.applications.resnet50 import preprocess_input
+from tensorflow.python.keras.applications.resnet50 import ResNet50
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/applications/vgg16/__init__.py b/tensorflow/contrib/keras/api/keras/applications/vgg16/__init__.py
index 118361604b..4964b1b7de 100644
--- a/tensorflow/contrib/keras/api/keras/applications/vgg16/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/applications/vgg16/__init__.py
@@ -18,9 +18,9 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.applications.vgg16 import decode_predictions
-from tensorflow.python.keras._impl.keras.applications.vgg16 import preprocess_input
-from tensorflow.python.keras._impl.keras.applications.vgg16 import VGG16
+from tensorflow.python.keras.applications.vgg16 import decode_predictions
+from tensorflow.python.keras.applications.vgg16 import preprocess_input
+from tensorflow.python.keras.applications.vgg16 import VGG16
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/applications/vgg19/__init__.py b/tensorflow/contrib/keras/api/keras/applications/vgg19/__init__.py
index cda52628f3..afb3abebdd 100644
--- a/tensorflow/contrib/keras/api/keras/applications/vgg19/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/applications/vgg19/__init__.py
@@ -18,9 +18,9 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.applications.vgg19 import decode_predictions
-from tensorflow.python.keras._impl.keras.applications.vgg19 import preprocess_input
-from tensorflow.python.keras._impl.keras.applications.vgg19 import VGG19
+from tensorflow.python.keras.applications.vgg19 import decode_predictions
+from tensorflow.python.keras.applications.vgg19 import preprocess_input
+from tensorflow.python.keras.applications.vgg19 import VGG19
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/applications/xception/__init__.py b/tensorflow/contrib/keras/api/keras/applications/xception/__init__.py
index ae9cd9cd18..2e3335d02a 100644
--- a/tensorflow/contrib/keras/api/keras/applications/xception/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/applications/xception/__init__.py
@@ -18,9 +18,9 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.applications.xception import decode_predictions
-from tensorflow.python.keras._impl.keras.applications.xception import preprocess_input
-from tensorflow.python.keras._impl.keras.applications.xception import Xception
+from tensorflow.python.keras.applications.xception import decode_predictions
+from tensorflow.python.keras.applications.xception import preprocess_input
+from tensorflow.python.keras.applications.xception import Xception
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/backend/__init__.py b/tensorflow/contrib/keras/api/keras/backend/__init__.py
index 10ef5a7585..a755364014 100644
--- a/tensorflow/contrib/keras/api/keras/backend/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/backend/__init__.py
@@ -19,144 +19,144 @@ from __future__ import division
 from __future__ import print_function
 
 # pylint: disable=redefined-builtin
-from tensorflow.python.keras._impl.keras.backend import abs
-from tensorflow.python.keras._impl.keras.backend import all
-from tensorflow.python.keras._impl.keras.backend import any
-from tensorflow.python.keras._impl.keras.backend import arange
-from tensorflow.python.keras._impl.keras.backend import argmax
-from tensorflow.python.keras._impl.keras.backend import argmin
-from tensorflow.python.keras._impl.keras.backend import backend
-from tensorflow.python.keras._impl.keras.backend import batch_dot
-from tensorflow.python.keras._impl.keras.backend import batch_flatten
-from tensorflow.python.keras._impl.keras.backend import batch_get_value
-from tensorflow.python.keras._impl.keras.backend import batch_normalization
-from tensorflow.python.keras._impl.keras.backend import batch_set_value
-from tensorflow.python.keras._impl.keras.backend import bias_add
-from tensorflow.python.keras._impl.keras.backend import binary_crossentropy
-from tensorflow.python.keras._impl.keras.backend import cast
-from tensorflow.python.keras._impl.keras.backend import cast_to_floatx
-from tensorflow.python.keras._impl.keras.backend import categorical_crossentropy
-from tensorflow.python.keras._impl.keras.backend import clear_session
-from tensorflow.python.keras._impl.keras.backend import clip
-from tensorflow.python.keras._impl.keras.backend import concatenate
-from tensorflow.python.keras._impl.keras.backend import constant
-from tensorflow.python.keras._impl.keras.backend import conv1d
-from tensorflow.python.keras._impl.keras.backend import conv2d
-from tensorflow.python.keras._impl.keras.backend import conv2d_transpose
-from tensorflow.python.keras._impl.keras.backend import conv3d
-from tensorflow.python.keras._impl.keras.backend import cos
-from tensorflow.python.keras._impl.keras.backend import count_params
-from tensorflow.python.keras._impl.keras.backend import ctc_batch_cost
-from tensorflow.python.keras._impl.keras.backend import ctc_decode
-from tensorflow.python.keras._impl.keras.backend import ctc_label_dense_to_sparse
-from tensorflow.python.keras._impl.keras.backend import dot
-from tensorflow.python.keras._impl.keras.backend import dropout
-from tensorflow.python.keras._impl.keras.backend import dtype
-from tensorflow.python.keras._impl.keras.backend import elu
-from tensorflow.python.keras._impl.keras.backend import epsilon
-from tensorflow.python.keras._impl.keras.backend import equal
-from tensorflow.python.keras._impl.keras.backend import eval
-from tensorflow.python.keras._impl.keras.backend import exp
-from tensorflow.python.keras._impl.keras.backend import expand_dims
-from tensorflow.python.keras._impl.keras.backend import eye
-from tensorflow.python.keras._impl.keras.backend import flatten
-from tensorflow.python.keras._impl.keras.backend import floatx
-from tensorflow.python.keras._impl.keras.backend import foldl
-from tensorflow.python.keras._impl.keras.backend import foldr
-from tensorflow.python.keras._impl.keras.backend import function
-from tensorflow.python.keras._impl.keras.backend import gather
-from tensorflow.python.keras._impl.keras.backend import get_session
-from tensorflow.python.keras._impl.keras.backend import get_uid
-from tensorflow.python.keras._impl.keras.backend import get_value
-from tensorflow.python.keras._impl.keras.backend import gradients
-from tensorflow.python.keras._impl.keras.backend import greater
-from tensorflow.python.keras._impl.keras.backend import greater_equal
-from tensorflow.python.keras._impl.keras.backend import hard_sigmoid
-from tensorflow.python.keras._impl.keras.backend import image_data_format
-from tensorflow.python.keras._impl.keras.backend import in_test_phase
-from tensorflow.python.keras._impl.keras.backend import in_top_k
-from tensorflow.python.keras._impl.keras.backend import in_train_phase
-from tensorflow.python.keras._impl.keras.backend import int_shape
-from tensorflow.python.keras._impl.keras.backend import is_sparse
-from tensorflow.python.keras._impl.keras.backend import l2_normalize
-from tensorflow.python.keras._impl.keras.backend import learning_phase
-from tensorflow.python.keras._impl.keras.backend import less
-from tensorflow.python.keras._impl.keras.backend import less_equal
-from tensorflow.python.keras._impl.keras.backend import log
-from tensorflow.python.keras._impl.keras.backend import manual_variable_initialization
-from tensorflow.python.keras._impl.keras.backend import map_fn
-from tensorflow.python.keras._impl.keras.backend import max
-from tensorflow.python.keras._impl.keras.backend import maximum
-from tensorflow.python.keras._impl.keras.backend import mean
-from tensorflow.python.keras._impl.keras.backend import min
-from tensorflow.python.keras._impl.keras.backend import minimum
-from tensorflow.python.keras._impl.keras.backend import moving_average_update
-from tensorflow.python.keras._impl.keras.backend import name_scope
-from tensorflow.python.keras._impl.keras.backend import ndim
-from tensorflow.python.keras._impl.keras.backend import normalize_batch_in_training
-from tensorflow.python.keras._impl.keras.backend import not_equal
-from tensorflow.python.keras._impl.keras.backend import one_hot
-from tensorflow.python.keras._impl.keras.backend import ones
-from tensorflow.python.keras._impl.keras.backend import ones_like
-from tensorflow.python.keras._impl.keras.backend import permute_dimensions
-from tensorflow.python.keras._impl.keras.backend import placeholder
-from tensorflow.python.keras._impl.keras.backend import pool2d
-from tensorflow.python.keras._impl.keras.backend import pool3d
-from tensorflow.python.keras._impl.keras.backend import pow
-from tensorflow.python.keras._impl.keras.backend import print_tensor
-from tensorflow.python.keras._impl.keras.backend import prod
-from tensorflow.python.keras._impl.keras.backend import random_binomial
-from tensorflow.python.keras._impl.keras.backend import random_normal
-from tensorflow.python.keras._impl.keras.backend import random_normal_variable
-from tensorflow.python.keras._impl.keras.backend import random_uniform
-from tensorflow.python.keras._impl.keras.backend import random_uniform_variable
-from tensorflow.python.keras._impl.keras.backend import relu
-from tensorflow.python.keras._impl.keras.backend import repeat
-from tensorflow.python.keras._impl.keras.backend import repeat_elements
-from tensorflow.python.keras._impl.keras.backend import reset_uids
-from tensorflow.python.keras._impl.keras.backend import reshape
-from tensorflow.python.keras._impl.keras.backend import resize_images
-from tensorflow.python.keras._impl.keras.backend import resize_volumes
-from tensorflow.python.keras._impl.keras.backend import reverse
-from tensorflow.python.keras._impl.keras.backend import rnn
-from tensorflow.python.keras._impl.keras.backend import round
-from tensorflow.python.keras._impl.keras.backend import separable_conv2d
-from tensorflow.python.keras._impl.keras.backend import set_epsilon
-from tensorflow.python.keras._impl.keras.backend import set_floatx
-from tensorflow.python.keras._impl.keras.backend import set_image_data_format
-from tensorflow.python.keras._impl.keras.backend import set_learning_phase
-from tensorflow.python.keras._impl.keras.backend import set_session
-from tensorflow.python.keras._impl.keras.backend import set_value
-from tensorflow.python.keras._impl.keras.backend import shape
-from tensorflow.python.keras._impl.keras.backend import sigmoid
-from tensorflow.python.keras._impl.keras.backend import sign
-from tensorflow.python.keras._impl.keras.backend import sin
-from tensorflow.python.keras._impl.keras.backend import softmax
-from tensorflow.python.keras._impl.keras.backend import softplus
-from tensorflow.python.keras._impl.keras.backend import softsign
-from tensorflow.python.keras._impl.keras.backend import sparse_categorical_crossentropy
-from tensorflow.python.keras._impl.keras.backend import spatial_2d_padding
-from tensorflow.python.keras._impl.keras.backend import spatial_3d_padding
-from tensorflow.python.keras._impl.keras.backend import sqrt
-from tensorflow.python.keras._impl.keras.backend import square
-from tensorflow.python.keras._impl.keras.backend import squeeze
-from tensorflow.python.keras._impl.keras.backend import stack
-from tensorflow.python.keras._impl.keras.backend import std
-from tensorflow.python.keras._impl.keras.backend import stop_gradient
-from tensorflow.python.keras._impl.keras.backend import sum
-from tensorflow.python.keras._impl.keras.backend import switch
-from tensorflow.python.keras._impl.keras.backend import tanh
-from tensorflow.python.keras._impl.keras.backend import temporal_padding
-from tensorflow.python.keras._impl.keras.backend import to_dense
-from tensorflow.python.keras._impl.keras.backend import transpose
-from tensorflow.python.keras._impl.keras.backend import truncated_normal
-from tensorflow.python.keras._impl.keras.backend import update
-from tensorflow.python.keras._impl.keras.backend import update_add
-from tensorflow.python.keras._impl.keras.backend import update_sub
-from tensorflow.python.keras._impl.keras.backend import var
-from tensorflow.python.keras._impl.keras.backend import variable
-from tensorflow.python.keras._impl.keras.backend import zeros
-from tensorflow.python.keras._impl.keras.backend import zeros_like
+from tensorflow.python.keras.backend import abs
+from tensorflow.python.keras.backend import all
+from tensorflow.python.keras.backend import any
+from tensorflow.python.keras.backend import arange
+from tensorflow.python.keras.backend import argmax
+from tensorflow.python.keras.backend import argmin
+from tensorflow.python.keras.backend import backend
+from tensorflow.python.keras.backend import batch_dot
+from tensorflow.python.keras.backend import batch_flatten
+from tensorflow.python.keras.backend import batch_get_value
+from tensorflow.python.keras.backend import batch_normalization
+from tensorflow.python.keras.backend import batch_set_value
+from tensorflow.python.keras.backend import bias_add
+from tensorflow.python.keras.backend import binary_crossentropy
+from tensorflow.python.keras.backend import cast
+from tensorflow.python.keras.backend import cast_to_floatx
+from tensorflow.python.keras.backend import categorical_crossentropy
+from tensorflow.python.keras.backend import clear_session
+from tensorflow.python.keras.backend import clip
+from tensorflow.python.keras.backend import concatenate
+from tensorflow.python.keras.backend import constant
+from tensorflow.python.keras.backend import conv1d
+from tensorflow.python.keras.backend import conv2d
+from tensorflow.python.keras.backend import conv2d_transpose
+from tensorflow.python.keras.backend import conv3d
+from tensorflow.python.keras.backend import cos
+from tensorflow.python.keras.backend import count_params
+from tensorflow.python.keras.backend import ctc_batch_cost
+from tensorflow.python.keras.backend import ctc_decode
+from tensorflow.python.keras.backend import ctc_label_dense_to_sparse
+from tensorflow.python.keras.backend import dot
+from tensorflow.python.keras.backend import dropout
+from tensorflow.python.keras.backend import dtype
+from tensorflow.python.keras.backend import elu
+from tensorflow.python.keras.backend import epsilon
+from tensorflow.python.keras.backend import equal
+from tensorflow.python.keras.backend import eval
+from tensorflow.python.keras.backend import exp
+from tensorflow.python.keras.backend import expand_dims
+from tensorflow.python.keras.backend import eye
+from tensorflow.python.keras.backend import flatten
+from tensorflow.python.keras.backend import floatx
+from tensorflow.python.keras.backend import foldl
+from tensorflow.python.keras.backend import foldr
+from tensorflow.python.keras.backend import function
+from tensorflow.python.keras.backend import gather
+from tensorflow.python.keras.backend import get_session
+from tensorflow.python.keras.backend import get_uid
+from tensorflow.python.keras.backend import get_value
+from tensorflow.python.keras.backend import gradients
+from tensorflow.python.keras.backend import greater
+from tensorflow.python.keras.backend import greater_equal
+from tensorflow.python.keras.backend import hard_sigmoid
+from tensorflow.python.keras.backend import image_data_format
+from tensorflow.python.keras.backend import in_test_phase
+from tensorflow.python.keras.backend import in_top_k
+from tensorflow.python.keras.backend import in_train_phase
+from tensorflow.python.keras.backend import int_shape
+from tensorflow.python.keras.backend import is_sparse
+from tensorflow.python.keras.backend import l2_normalize
+from tensorflow.python.keras.backend import learning_phase
+from tensorflow.python.keras.backend import less
+from tensorflow.python.keras.backend import less_equal
+from tensorflow.python.keras.backend import log
+from tensorflow.python.keras.backend import manual_variable_initialization
+from tensorflow.python.keras.backend import map_fn
+from tensorflow.python.keras.backend import max
+from tensorflow.python.keras.backend import maximum
+from tensorflow.python.keras.backend import mean
+from tensorflow.python.keras.backend import min
+from tensorflow.python.keras.backend import minimum
+from tensorflow.python.keras.backend import moving_average_update
+from tensorflow.python.keras.backend import name_scope
+from tensorflow.python.keras.backend import ndim
+from tensorflow.python.keras.backend import normalize_batch_in_training
+from tensorflow.python.keras.backend import not_equal
+from tensorflow.python.keras.backend import one_hot
+from tensorflow.python.keras.backend import ones
+from tensorflow.python.keras.backend import ones_like
+from tensorflow.python.keras.backend import permute_dimensions
+from tensorflow.python.keras.backend import placeholder
+from tensorflow.python.keras.backend import pool2d
+from tensorflow.python.keras.backend import pool3d
+from tensorflow.python.keras.backend import pow
+from tensorflow.python.keras.backend import print_tensor
+from tensorflow.python.keras.backend import prod
+from tensorflow.python.keras.backend import random_binomial
+from tensorflow.python.keras.backend import random_normal
+from tensorflow.python.keras.backend import random_normal_variable
+from tensorflow.python.keras.backend import random_uniform
+from tensorflow.python.keras.backend import random_uniform_variable
+from tensorflow.python.keras.backend import relu
+from tensorflow.python.keras.backend import repeat
+from tensorflow.python.keras.backend import repeat_elements
+from tensorflow.python.keras.backend import reset_uids
+from tensorflow.python.keras.backend import reshape
+from tensorflow.python.keras.backend import resize_images
+from tensorflow.python.keras.backend import resize_volumes
+from tensorflow.python.keras.backend import reverse
+from tensorflow.python.keras.backend import rnn
+from tensorflow.python.keras.backend import round
+from tensorflow.python.keras.backend import separable_conv2d
+from tensorflow.python.keras.backend import set_epsilon
+from tensorflow.python.keras.backend import set_floatx
+from tensorflow.python.keras.backend import set_image_data_format
+from tensorflow.python.keras.backend import set_learning_phase
+from tensorflow.python.keras.backend import set_session
+from tensorflow.python.keras.backend import set_value
+from tensorflow.python.keras.backend import shape
+from tensorflow.python.keras.backend import sigmoid
+from tensorflow.python.keras.backend import sign
+from tensorflow.python.keras.backend import sin
+from tensorflow.python.keras.backend import softmax
+from tensorflow.python.keras.backend import softplus
+from tensorflow.python.keras.backend import softsign
+from tensorflow.python.keras.backend import sparse_categorical_crossentropy
+from tensorflow.python.keras.backend import spatial_2d_padding
+from tensorflow.python.keras.backend import spatial_3d_padding
+from tensorflow.python.keras.backend import sqrt
+from tensorflow.python.keras.backend import square
+from tensorflow.python.keras.backend import squeeze
+from tensorflow.python.keras.backend import stack
+from tensorflow.python.keras.backend import std
+from tensorflow.python.keras.backend import stop_gradient
+from tensorflow.python.keras.backend import sum
+from tensorflow.python.keras.backend import switch
+from tensorflow.python.keras.backend import tanh
+from tensorflow.python.keras.backend import temporal_padding
+from tensorflow.python.keras.backend import to_dense
+from tensorflow.python.keras.backend import transpose
+from tensorflow.python.keras.backend import truncated_normal
+from tensorflow.python.keras.backend import update
+from tensorflow.python.keras.backend import update_add
+from tensorflow.python.keras.backend import update_sub
+from tensorflow.python.keras.backend import var
+from tensorflow.python.keras.backend import variable
+from tensorflow.python.keras.backend import zeros
+from tensorflow.python.keras.backend import zeros_like
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/callbacks/__init__.py b/tensorflow/contrib/keras/api/keras/callbacks/__init__.py
index 2d884790dd..10e05f2969 100644
--- a/tensorflow/contrib/keras/api/keras/callbacks/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/callbacks/__init__.py
@@ -18,19 +18,19 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.callbacks import BaseLogger
-from tensorflow.python.keras._impl.keras.callbacks import Callback
-from tensorflow.python.keras._impl.keras.callbacks import CSVLogger
-from tensorflow.python.keras._impl.keras.callbacks import EarlyStopping
-from tensorflow.python.keras._impl.keras.callbacks import History
-from tensorflow.python.keras._impl.keras.callbacks import LambdaCallback
-from tensorflow.python.keras._impl.keras.callbacks import LearningRateScheduler
-from tensorflow.python.keras._impl.keras.callbacks import ModelCheckpoint
-from tensorflow.python.keras._impl.keras.callbacks import ProgbarLogger
-from tensorflow.python.keras._impl.keras.callbacks import ReduceLROnPlateau
-from tensorflow.python.keras._impl.keras.callbacks import RemoteMonitor
-from tensorflow.python.keras._impl.keras.callbacks import TensorBoard
-from tensorflow.python.keras._impl.keras.callbacks import TerminateOnNaN
+from tensorflow.python.keras.callbacks import BaseLogger
+from tensorflow.python.keras.callbacks import Callback
+from tensorflow.python.keras.callbacks import CSVLogger
+from tensorflow.python.keras.callbacks import EarlyStopping
+from tensorflow.python.keras.callbacks import History
+from tensorflow.python.keras.callbacks import LambdaCallback
+from tensorflow.python.keras.callbacks import LearningRateScheduler
+from tensorflow.python.keras.callbacks import ModelCheckpoint
+from tensorflow.python.keras.callbacks import ProgbarLogger
+from tensorflow.python.keras.callbacks import ReduceLROnPlateau
+from tensorflow.python.keras.callbacks import RemoteMonitor
+from tensorflow.python.keras.callbacks import TensorBoard
+from tensorflow.python.keras.callbacks import TerminateOnNaN
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/constraints/__init__.py b/tensorflow/contrib/keras/api/keras/constraints/__init__.py
index 152606d8eb..08debf974e 100644
--- a/tensorflow/contrib/keras/api/keras/constraints/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/constraints/__init__.py
@@ -19,21 +19,21 @@ from __future__ import division
 from __future__ import print_function
 
 # Constraints functions / callable classes.
-from tensorflow.python.keras._impl.keras.constraints import Constraint
-from tensorflow.python.keras._impl.keras.constraints import max_norm
-from tensorflow.python.keras._impl.keras.constraints import MaxNorm
-from tensorflow.python.keras._impl.keras.constraints import min_max_norm
-from tensorflow.python.keras._impl.keras.constraints import MinMaxNorm
-from tensorflow.python.keras._impl.keras.constraints import non_neg
-from tensorflow.python.keras._impl.keras.constraints import NonNeg
-from tensorflow.python.keras._impl.keras.constraints import unit_norm
-from tensorflow.python.keras._impl.keras.constraints import UnitNorm
+from tensorflow.python.keras.constraints import Constraint
+from tensorflow.python.keras.constraints import max_norm
+from tensorflow.python.keras.constraints import MaxNorm
+from tensorflow.python.keras.constraints import min_max_norm
+from tensorflow.python.keras.constraints import MinMaxNorm
+from tensorflow.python.keras.constraints import non_neg
+from tensorflow.python.keras.constraints import NonNeg
+from tensorflow.python.keras.constraints import unit_norm
+from tensorflow.python.keras.constraints import UnitNorm
 
 # Auxiliary utils.
 # pylint: disable=g-bad-import-order
-from tensorflow.python.keras._impl.keras.constraints import deserialize
-from tensorflow.python.keras._impl.keras.constraints import serialize
-from tensorflow.python.keras._impl.keras.constraints import get
+from tensorflow.python.keras.constraints import deserialize
+from tensorflow.python.keras.constraints import serialize
+from tensorflow.python.keras.constraints import get
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/datasets/boston_housing/__init__.py b/tensorflow/contrib/keras/api/keras/datasets/boston_housing/__init__.py
index b5371a03fd..a5a6fdab44 100644
--- a/tensorflow/contrib/keras/api/keras/datasets/boston_housing/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/datasets/boston_housing/__init__.py
@@ -18,7 +18,7 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.datasets.boston_housing import load_data
+from tensorflow.python.keras.datasets.boston_housing import load_data
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/datasets/cifar10/__init__.py b/tensorflow/contrib/keras/api/keras/datasets/cifar10/__init__.py
index 68d3eb789e..e74e5f347d 100644
--- a/tensorflow/contrib/keras/api/keras/datasets/cifar10/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/datasets/cifar10/__init__.py
@@ -18,7 +18,7 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.datasets.cifar10 import load_data
+from tensorflow.python.keras.datasets.cifar10 import load_data
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/datasets/cifar100/__init__.py b/tensorflow/contrib/keras/api/keras/datasets/cifar100/__init__.py
index ca93742673..8f5753a636 100644
--- a/tensorflow/contrib/keras/api/keras/datasets/cifar100/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/datasets/cifar100/__init__.py
@@ -18,7 +18,7 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.datasets.cifar100 import load_data
+from tensorflow.python.keras.datasets.cifar100 import load_data
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/datasets/imdb/__init__.py b/tensorflow/contrib/keras/api/keras/datasets/imdb/__init__.py
index 1c6396d2d3..bd6ec4b8df 100644
--- a/tensorflow/contrib/keras/api/keras/datasets/imdb/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/datasets/imdb/__init__.py
@@ -18,8 +18,8 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.datasets.imdb import get_word_index
-from tensorflow.python.keras._impl.keras.datasets.imdb import load_data
+from tensorflow.python.keras.datasets.imdb import get_word_index
+from tensorflow.python.keras.datasets.imdb import load_data
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/datasets/mnist/__init__.py b/tensorflow/contrib/keras/api/keras/datasets/mnist/__init__.py
index 364255f338..f61145655b 100644
--- a/tensorflow/contrib/keras/api/keras/datasets/mnist/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/datasets/mnist/__init__.py
@@ -18,7 +18,7 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.datasets.mnist import load_data
+from tensorflow.python.keras.datasets.mnist import load_data
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/datasets/reuters/__init__.py b/tensorflow/contrib/keras/api/keras/datasets/reuters/__init__.py
index bb6791a344..ade31f4ea9 100644
--- a/tensorflow/contrib/keras/api/keras/datasets/reuters/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/datasets/reuters/__init__.py
@@ -18,8 +18,8 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.datasets.reuters import get_word_index
-from tensorflow.python.keras._impl.keras.datasets.reuters import load_data
+from tensorflow.python.keras.datasets.reuters import get_word_index
+from tensorflow.python.keras.datasets.reuters import load_data
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/initializers/__init__.py b/tensorflow/contrib/keras/api/keras/initializers/__init__.py
index 6b1fcfd2d9..c6bdc4f0da 100644
--- a/tensorflow/contrib/keras/api/keras/initializers/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/initializers/__init__.py
@@ -19,30 +19,30 @@ from __future__ import division
 from __future__ import print_function
 
 # Initializer functions / callable classes.
-from tensorflow.python.keras._impl.keras.initializers import Constant
-from tensorflow.python.keras._impl.keras.initializers import Identity
-from tensorflow.python.keras._impl.keras.initializers import Initializer
-from tensorflow.python.keras._impl.keras.initializers import Ones
-from tensorflow.python.keras._impl.keras.initializers import Orthogonal
-from tensorflow.python.keras._impl.keras.initializers import RandomNormal
-from tensorflow.python.keras._impl.keras.initializers import RandomUniform
-from tensorflow.python.keras._impl.keras.initializers import TruncatedNormal
-from tensorflow.python.keras._impl.keras.initializers import VarianceScaling
-from tensorflow.python.keras._impl.keras.initializers import Zeros
+from tensorflow.python.keras.initializers import Constant
+from tensorflow.python.keras.initializers import Identity
+from tensorflow.python.keras.initializers import Initializer
+from tensorflow.python.keras.initializers import Ones
+from tensorflow.python.keras.initializers import Orthogonal
+from tensorflow.python.keras.initializers import RandomNormal
+from tensorflow.python.keras.initializers import RandomUniform
+from tensorflow.python.keras.initializers import TruncatedNormal
+from tensorflow.python.keras.initializers import VarianceScaling
+from tensorflow.python.keras.initializers import Zeros
 
 # Functional interface.
 # pylint: disable=g-bad-import-order
-from tensorflow.python.keras._impl.keras.initializers import glorot_normal
-from tensorflow.python.keras._impl.keras.initializers import glorot_uniform
-from tensorflow.python.keras._impl.keras.initializers import he_normal
-from tensorflow.python.keras._impl.keras.initializers import he_uniform
-from tensorflow.python.keras._impl.keras.initializers import lecun_normal
-from tensorflow.python.keras._impl.keras.initializers import lecun_uniform
+from tensorflow.python.keras.initializers import glorot_normal
+from tensorflow.python.keras.initializers import glorot_uniform
+from tensorflow.python.keras.initializers import he_normal
+from tensorflow.python.keras.initializers import he_uniform
+from tensorflow.python.keras.initializers import lecun_normal
+from tensorflow.python.keras.initializers import lecun_uniform
 
 # Auxiliary utils.
-from tensorflow.python.keras._impl.keras.initializers import deserialize
-from tensorflow.python.keras._impl.keras.initializers import serialize
-from tensorflow.python.keras._impl.keras.initializers import get
+from tensorflow.python.keras.initializers import deserialize
+from tensorflow.python.keras.initializers import serialize
+from tensorflow.python.keras.initializers import get
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/layers/__init__.py b/tensorflow/contrib/keras/api/keras/layers/__init__.py
index acf0a5e179..938c881fcb 100644
--- a/tensorflow/contrib/keras/api/keras/layers/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/layers/__init__.py
@@ -20,128 +20,128 @@ from __future__ import print_function
 
 # Generic layers.
 # pylint: disable=g-bad-import-order
-from tensorflow.python.keras._impl.keras.engine import Input
-from tensorflow.python.keras._impl.keras.engine import InputLayer
-from tensorflow.python.keras._impl.keras.engine import InputSpec
-from tensorflow.python.keras._impl.keras.engine import Layer
+from tensorflow.python.keras.engine import Input
+from tensorflow.python.keras.engine import InputLayer
+from tensorflow.python.keras.engine import InputSpec
+from tensorflow.python.keras.engine import Layer
 
 # Advanced activations.
-from tensorflow.python.keras._impl.keras.layers.advanced_activations import LeakyReLU
-from tensorflow.python.keras._impl.keras.layers.advanced_activations import PReLU
-from tensorflow.python.keras._impl.keras.layers.advanced_activations import ELU
-from tensorflow.python.keras._impl.keras.layers.advanced_activations import ThresholdedReLU
+from tensorflow.python.keras.layers.advanced_activations import LeakyReLU
+from tensorflow.python.keras.layers.advanced_activations import PReLU
+from tensorflow.python.keras.layers.advanced_activations import ELU
+from tensorflow.python.keras.layers.advanced_activations import ThresholdedReLU
 
 # Convolution layers.
-from tensorflow.python.keras._impl.keras.layers.convolutional import Conv1D
-from tensorflow.python.keras._impl.keras.layers.convolutional import Conv2D
-from tensorflow.python.keras._impl.keras.layers.convolutional import Conv3D
-from tensorflow.python.keras._impl.keras.layers.convolutional import Conv2DTranspose
-from tensorflow.python.keras._impl.keras.layers.convolutional import Conv3DTranspose
-from tensorflow.python.keras._impl.keras.layers.convolutional import SeparableConv2D
+from tensorflow.python.keras.layers.convolutional import Conv1D
+from tensorflow.python.keras.layers.convolutional import Conv2D
+from tensorflow.python.keras.layers.convolutional import Conv3D
+from tensorflow.python.keras.layers.convolutional import Conv2DTranspose
+from tensorflow.python.keras.layers.convolutional import Conv3DTranspose
+from tensorflow.python.keras.layers.convolutional import SeparableConv2D
 
 # Convolution layer aliases.
-from tensorflow.python.keras._impl.keras.layers.convolutional import Convolution1D
-from tensorflow.python.keras._impl.keras.layers.convolutional import Convolution2D
-from tensorflow.python.keras._impl.keras.layers.convolutional import Convolution3D
-from tensorflow.python.keras._impl.keras.layers.convolutional import Convolution2DTranspose
-from tensorflow.python.keras._impl.keras.layers.convolutional import Convolution3DTranspose
-from tensorflow.python.keras._impl.keras.layers.convolutional import SeparableConvolution2D
+from tensorflow.python.keras.layers.convolutional import Convolution1D
+from tensorflow.python.keras.layers.convolutional import Convolution2D
+from tensorflow.python.keras.layers.convolutional import Convolution3D
+from tensorflow.python.keras.layers.convolutional import Convolution2DTranspose
+from tensorflow.python.keras.layers.convolutional import Convolution3DTranspose
+from tensorflow.python.keras.layers.convolutional import SeparableConvolution2D
 
 # Image processing layers.
-from tensorflow.python.keras._impl.keras.layers.convolutional import UpSampling1D
-from tensorflow.python.keras._impl.keras.layers.convolutional import UpSampling2D
-from tensorflow.python.keras._impl.keras.layers.convolutional import UpSampling3D
-from tensorflow.python.keras._impl.keras.layers.convolutional import ZeroPadding1D
-from tensorflow.python.keras._impl.keras.layers.convolutional import ZeroPadding2D
-from tensorflow.python.keras._impl.keras.layers.convolutional import ZeroPadding3D
-from tensorflow.python.keras._impl.keras.layers.convolutional import Cropping1D
-from tensorflow.python.keras._impl.keras.layers.convolutional import Cropping2D
-from tensorflow.python.keras._impl.keras.layers.convolutional import Cropping3D
+from tensorflow.python.keras.layers.convolutional import UpSampling1D
+from tensorflow.python.keras.layers.convolutional import UpSampling2D
+from tensorflow.python.keras.layers.convolutional import UpSampling3D
+from tensorflow.python.keras.layers.convolutional import ZeroPadding1D
+from tensorflow.python.keras.layers.convolutional import ZeroPadding2D
+from tensorflow.python.keras.layers.convolutional import ZeroPadding3D
+from tensorflow.python.keras.layers.convolutional import Cropping1D
+from tensorflow.python.keras.layers.convolutional import Cropping2D
+from tensorflow.python.keras.layers.convolutional import Cropping3D
 
 # Convolutional-recurrent layers.
-from tensorflow.python.keras._impl.keras.layers.convolutional_recurrent import ConvLSTM2D
+from tensorflow.python.keras.layers.convolutional_recurrent import ConvLSTM2D
 
 # Core layers.
-from tensorflow.python.keras._impl.keras.layers.core import Masking
-from tensorflow.python.keras._impl.keras.layers.core import Dropout
-from tensorflow.python.keras._impl.keras.layers.core import SpatialDropout1D
-from tensorflow.python.keras._impl.keras.layers.core import SpatialDropout2D
-from tensorflow.python.keras._impl.keras.layers.core import SpatialDropout3D
-from tensorflow.python.keras._impl.keras.layers.core import Activation
-from tensorflow.python.keras._impl.keras.layers.core import Reshape
-from tensorflow.python.keras._impl.keras.layers.core import Permute
-from tensorflow.python.keras._impl.keras.layers.core import Flatten
-from tensorflow.python.keras._impl.keras.layers.core import RepeatVector
-from tensorflow.python.keras._impl.keras.layers.core import Lambda
-from tensorflow.python.keras._impl.keras.layers.core import Dense
-from tensorflow.python.keras._impl.keras.layers.core import ActivityRegularization
+from tensorflow.python.keras.layers.core import Masking
+from tensorflow.python.keras.layers.core import Dropout
+from tensorflow.python.keras.layers.core import SpatialDropout1D
+from tensorflow.python.keras.layers.core import SpatialDropout2D
+from tensorflow.python.keras.layers.core import SpatialDropout3D
+from tensorflow.python.keras.layers.core import Activation
+from tensorflow.python.keras.layers.core import Reshape
+from tensorflow.python.keras.layers.core import Permute
+from tensorflow.python.keras.layers.core import Flatten
+from tensorflow.python.keras.layers.core import RepeatVector
+from tensorflow.python.keras.layers.core import Lambda
+from tensorflow.python.keras.layers.core import Dense
+from tensorflow.python.keras.layers.core import ActivityRegularization
 
 # Embedding layers.
-from tensorflow.python.keras._impl.keras.layers.embeddings import Embedding
+from tensorflow.python.keras.layers.embeddings import Embedding
 
 # Locally-connected layers.
-from tensorflow.python.keras._impl.keras.layers.local import LocallyConnected1D
-from tensorflow.python.keras._impl.keras.layers.local import LocallyConnected2D
+from tensorflow.python.keras.layers.local import LocallyConnected1D
+from tensorflow.python.keras.layers.local import LocallyConnected2D
 
 # Merge layers.
-from tensorflow.python.keras._impl.keras.layers.merge import Add
-from tensorflow.python.keras._impl.keras.layers.merge import Multiply
-from tensorflow.python.keras._impl.keras.layers.merge import Average
-from tensorflow.python.keras._impl.keras.layers.merge import Maximum
-from tensorflow.python.keras._impl.keras.layers.merge import Concatenate
-from tensorflow.python.keras._impl.keras.layers.merge import Dot
-from tensorflow.python.keras._impl.keras.layers.merge import add
-from tensorflow.python.keras._impl.keras.layers.merge import multiply
-from tensorflow.python.keras._impl.keras.layers.merge import average
-from tensorflow.python.keras._impl.keras.layers.merge import maximum
-from tensorflow.python.keras._impl.keras.layers.merge import concatenate
-from tensorflow.python.keras._impl.keras.layers.merge import dot
+from tensorflow.python.keras.layers.merge import Add
+from tensorflow.python.keras.layers.merge import Multiply
+from tensorflow.python.keras.layers.merge import Average
+from tensorflow.python.keras.layers.merge import Maximum
+from tensorflow.python.keras.layers.merge import Concatenate
+from tensorflow.python.keras.layers.merge import Dot
+from tensorflow.python.keras.layers.merge import add
+from tensorflow.python.keras.layers.merge import multiply
+from tensorflow.python.keras.layers.merge import average
+from tensorflow.python.keras.layers.merge import maximum
+from tensorflow.python.keras.layers.merge import concatenate
+from tensorflow.python.keras.layers.merge import dot
 
 # Noise layers.
-from tensorflow.python.keras._impl.keras.layers.noise import AlphaDropout
-from tensorflow.python.keras._impl.keras.layers.noise import GaussianNoise
-from tensorflow.python.keras._impl.keras.layers.noise import GaussianDropout
+from tensorflow.python.keras.layers.noise import AlphaDropout
+from tensorflow.python.keras.layers.noise import GaussianNoise
+from tensorflow.python.keras.layers.noise import GaussianDropout
 
 # Normalization layers.
-from tensorflow.python.keras._impl.keras.layers.normalization import BatchNormalization
+from tensorflow.python.keras.layers.normalization import BatchNormalization
 
 # Pooling layers.
-from tensorflow.python.keras._impl.keras.layers.pooling import MaxPooling1D
-from tensorflow.python.keras._impl.keras.layers.pooling import MaxPooling2D
-from tensorflow.python.keras._impl.keras.layers.pooling import MaxPooling3D
-from tensorflow.python.keras._impl.keras.layers.pooling import AveragePooling1D
-from tensorflow.python.keras._impl.keras.layers.pooling import AveragePooling2D
-from tensorflow.python.keras._impl.keras.layers.pooling import AveragePooling3D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalAveragePooling1D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalAveragePooling2D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalAveragePooling3D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalMaxPooling1D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalMaxPooling2D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalMaxPooling3D
+from tensorflow.python.keras.layers.pooling import MaxPooling1D
+from tensorflow.python.keras.layers.pooling import MaxPooling2D
+from tensorflow.python.keras.layers.pooling import MaxPooling3D
+from tensorflow.python.keras.layers.pooling import AveragePooling1D
+from tensorflow.python.keras.layers.pooling import AveragePooling2D
+from tensorflow.python.keras.layers.pooling import AveragePooling3D
+from tensorflow.python.keras.layers.pooling import GlobalAveragePooling1D
+from tensorflow.python.keras.layers.pooling import GlobalAveragePooling2D
+from tensorflow.python.keras.layers.pooling import GlobalAveragePooling3D
+from tensorflow.python.keras.layers.pooling import GlobalMaxPooling1D
+from tensorflow.python.keras.layers.pooling import GlobalMaxPooling2D
+from tensorflow.python.keras.layers.pooling import GlobalMaxPooling3D
 
 # Pooling layer aliases.
-from tensorflow.python.keras._impl.keras.layers.pooling import MaxPool1D
-from tensorflow.python.keras._impl.keras.layers.pooling import MaxPool2D
-from tensorflow.python.keras._impl.keras.layers.pooling import MaxPool3D
-from tensorflow.python.keras._impl.keras.layers.pooling import AvgPool1D
-from tensorflow.python.keras._impl.keras.layers.pooling import AvgPool2D
-from tensorflow.python.keras._impl.keras.layers.pooling import AvgPool3D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalAvgPool1D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalAvgPool2D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalAvgPool3D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalMaxPool1D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalMaxPool2D
-from tensorflow.python.keras._impl.keras.layers.pooling import GlobalMaxPool3D
+from tensorflow.python.keras.layers.pooling import MaxPool1D
+from tensorflow.python.keras.layers.pooling import MaxPool2D
+from tensorflow.python.keras.layers.pooling import MaxPool3D
+from tensorflow.python.keras.layers.pooling import AvgPool1D
+from tensorflow.python.keras.layers.pooling import AvgPool2D
+from tensorflow.python.keras.layers.pooling import AvgPool3D
+from tensorflow.python.keras.layers.pooling import GlobalAvgPool1D
+from tensorflow.python.keras.layers.pooling import GlobalAvgPool2D
+from tensorflow.python.keras.layers.pooling import GlobalAvgPool3D
+from tensorflow.python.keras.layers.pooling import GlobalMaxPool1D
+from tensorflow.python.keras.layers.pooling import GlobalMaxPool2D
+from tensorflow.python.keras.layers.pooling import GlobalMaxPool3D
 
 # Recurrent layers.
-from tensorflow.python.keras._impl.keras.layers.recurrent import SimpleRNN
-from tensorflow.python.keras._impl.keras.layers.recurrent import GRU
-from tensorflow.python.keras._impl.keras.layers.recurrent import LSTM
+from tensorflow.python.keras.layers.recurrent import SimpleRNN
+from tensorflow.python.keras.layers.recurrent import GRU
+from tensorflow.python.keras.layers.recurrent import LSTM
 
 # Wrapper functions
-from tensorflow.python.keras._impl.keras.layers.wrappers import Wrapper
-from tensorflow.python.keras._impl.keras.layers.wrappers import Bidirectional
-from tensorflow.python.keras._impl.keras.layers.wrappers import TimeDistributed
+from tensorflow.python.keras.layers.wrappers import Wrapper
+from tensorflow.python.keras.layers.wrappers import Bidirectional
+from tensorflow.python.keras.layers.wrappers import TimeDistributed
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/losses/__init__.py b/tensorflow/contrib/keras/api/keras/losses/__init__.py
index 66721b694f..c4476a7bbd 100644
--- a/tensorflow/contrib/keras/api/keras/losses/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/losses/__init__.py
@@ -19,26 +19,26 @@ from __future__ import division
 from __future__ import print_function
 
 # Loss functions.
-from tensorflow.python.keras._impl.keras.losses import binary_crossentropy
-from tensorflow.python.keras._impl.keras.losses import categorical_crossentropy
-from tensorflow.python.keras._impl.keras.losses import categorical_hinge
-from tensorflow.python.keras._impl.keras.losses import cosine_proximity
-from tensorflow.python.keras._impl.keras.losses import hinge
-from tensorflow.python.keras._impl.keras.losses import kullback_leibler_divergence
-from tensorflow.python.keras._impl.keras.losses import logcosh
-from tensorflow.python.keras._impl.keras.losses import mean_absolute_error
-from tensorflow.python.keras._impl.keras.losses import mean_absolute_percentage_error
-from tensorflow.python.keras._impl.keras.losses import mean_squared_error
-from tensorflow.python.keras._impl.keras.losses import mean_squared_logarithmic_error
-from tensorflow.python.keras._impl.keras.losses import poisson
-from tensorflow.python.keras._impl.keras.losses import sparse_categorical_crossentropy
-from tensorflow.python.keras._impl.keras.losses import squared_hinge
+from tensorflow.python.keras.losses import binary_crossentropy
+from tensorflow.python.keras.losses import categorical_crossentropy
+from tensorflow.python.keras.losses import categorical_hinge
+from tensorflow.python.keras.losses import cosine_proximity
+from tensorflow.python.keras.losses import hinge
+from tensorflow.python.keras.losses import kullback_leibler_divergence
+from tensorflow.python.keras.losses import logcosh
+from tensorflow.python.keras.losses import mean_absolute_error
+from tensorflow.python.keras.losses import mean_absolute_percentage_error
+from tensorflow.python.keras.losses import mean_squared_error
+from tensorflow.python.keras.losses import mean_squared_logarithmic_error
+from tensorflow.python.keras.losses import poisson
+from tensorflow.python.keras.losses import sparse_categorical_crossentropy
+from tensorflow.python.keras.losses import squared_hinge
 
 # Auxiliary utils.
 # pylint: disable=g-bad-import-order
-from tensorflow.python.keras._impl.keras.losses import deserialize
-from tensorflow.python.keras._impl.keras.losses import serialize
-from tensorflow.python.keras._impl.keras.losses import get
+from tensorflow.python.keras.losses import deserialize
+from tensorflow.python.keras.losses import serialize
+from tensorflow.python.keras.losses import get
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/metrics/__init__.py b/tensorflow/contrib/keras/api/keras/metrics/__init__.py
index 59faf037bc..7317fdb52c 100644
--- a/tensorflow/contrib/keras/api/keras/metrics/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/metrics/__init__.py
@@ -19,28 +19,28 @@ from __future__ import division
 from __future__ import print_function
 
 # Metrics functions.
-from tensorflow.python.keras._impl.keras.metrics import binary_accuracy
-from tensorflow.python.keras._impl.keras.metrics import binary_crossentropy
-from tensorflow.python.keras._impl.keras.metrics import categorical_accuracy
-from tensorflow.python.keras._impl.keras.metrics import categorical_crossentropy
-from tensorflow.python.keras._impl.keras.metrics import cosine_proximity
-from tensorflow.python.keras._impl.keras.metrics import hinge
-from tensorflow.python.keras._impl.keras.metrics import kullback_leibler_divergence
-from tensorflow.python.keras._impl.keras.metrics import mean_absolute_error
-from tensorflow.python.keras._impl.keras.metrics import mean_absolute_percentage_error
-from tensorflow.python.keras._impl.keras.metrics import mean_squared_error
-from tensorflow.python.keras._impl.keras.metrics import mean_squared_logarithmic_error
-from tensorflow.python.keras._impl.keras.metrics import poisson
-from tensorflow.python.keras._impl.keras.metrics import sparse_categorical_crossentropy
-from tensorflow.python.keras._impl.keras.metrics import sparse_top_k_categorical_accuracy
-from tensorflow.python.keras._impl.keras.metrics import squared_hinge
-from tensorflow.python.keras._impl.keras.metrics import top_k_categorical_accuracy
+from tensorflow.python.keras.metrics import binary_accuracy
+from tensorflow.python.keras.metrics import binary_crossentropy
+from tensorflow.python.keras.metrics import categorical_accuracy
+from tensorflow.python.keras.metrics import categorical_crossentropy
+from tensorflow.python.keras.metrics import cosine_proximity
+from tensorflow.python.keras.metrics import hinge
+from tensorflow.python.keras.metrics import kullback_leibler_divergence
+from tensorflow.python.keras.metrics import mean_absolute_error
+from tensorflow.python.keras.metrics import mean_absolute_percentage_error
+from tensorflow.python.keras.metrics import mean_squared_error
+from tensorflow.python.keras.metrics import mean_squared_logarithmic_error
+from tensorflow.python.keras.metrics import poisson
+from tensorflow.python.keras.metrics import sparse_categorical_crossentropy
+from tensorflow.python.keras.metrics import sparse_top_k_categorical_accuracy
+from tensorflow.python.keras.metrics import squared_hinge
+from tensorflow.python.keras.metrics import top_k_categorical_accuracy
 
 # Auxiliary utils.
 # pylint: disable=g-bad-import-order
-from tensorflow.python.keras._impl.keras.metrics import deserialize
-from tensorflow.python.keras._impl.keras.metrics import serialize
-from tensorflow.python.keras._impl.keras.metrics import get
+from tensorflow.python.keras.metrics import deserialize
+from tensorflow.python.keras.metrics import serialize
+from tensorflow.python.keras.metrics import get
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/models/__init__.py b/tensorflow/contrib/keras/api/keras/models/__init__.py
index 2fb4ac0960..3a196984cd 100644
--- a/tensorflow/contrib/keras/api/keras/models/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/models/__init__.py
@@ -18,13 +18,13 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.models import load_model
-from tensorflow.python.keras._impl.keras.models import Model
-from tensorflow.python.keras._impl.keras.models import model_from_config
-from tensorflow.python.keras._impl.keras.models import model_from_json
-from tensorflow.python.keras._impl.keras.models import model_from_yaml
-from tensorflow.python.keras._impl.keras.models import save_model
-from tensorflow.python.keras._impl.keras.models import Sequential
+from tensorflow.python.keras.models import load_model
+from tensorflow.python.keras.models import Model
+from tensorflow.python.keras.models import model_from_config
+from tensorflow.python.keras.models import model_from_json
+from tensorflow.python.keras.models import model_from_yaml
+from tensorflow.python.keras.models import save_model
+from tensorflow.python.keras.models import Sequential
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/optimizers/__init__.py b/tensorflow/contrib/keras/api/keras/optimizers/__init__.py
index 44f47bc47f..4849a06747 100644
--- a/tensorflow/contrib/keras/api/keras/optimizers/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/optimizers/__init__.py
@@ -19,20 +19,20 @@ from __future__ import division
 from __future__ import print_function
 
 # Optimizer classes.
-from tensorflow.python.keras._impl.keras.optimizers import Adadelta
-from tensorflow.python.keras._impl.keras.optimizers import Adagrad
-from tensorflow.python.keras._impl.keras.optimizers import Adam
-from tensorflow.python.keras._impl.keras.optimizers import Adamax
-from tensorflow.python.keras._impl.keras.optimizers import Nadam
-from tensorflow.python.keras._impl.keras.optimizers import Optimizer
-from tensorflow.python.keras._impl.keras.optimizers import RMSprop
-from tensorflow.python.keras._impl.keras.optimizers import SGD
+from tensorflow.python.keras.optimizers import Adadelta
+from tensorflow.python.keras.optimizers import Adagrad
+from tensorflow.python.keras.optimizers import Adam
+from tensorflow.python.keras.optimizers import Adamax
+from tensorflow.python.keras.optimizers import Nadam
+from tensorflow.python.keras.optimizers import Optimizer
+from tensorflow.python.keras.optimizers import RMSprop
+from tensorflow.python.keras.optimizers import SGD
 
 # Auxiliary utils.
 # pylint: disable=g-bad-import-order
-from tensorflow.python.keras._impl.keras.optimizers import deserialize
-from tensorflow.python.keras._impl.keras.optimizers import serialize
-from tensorflow.python.keras._impl.keras.optimizers import get
+from tensorflow.python.keras.optimizers import deserialize
+from tensorflow.python.keras.optimizers import serialize
+from tensorflow.python.keras.optimizers import get
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/preprocessing/image/__init__.py b/tensorflow/contrib/keras/api/keras/preprocessing/image/__init__.py
index b96e767552..1f9e82b41b 100644
--- a/tensorflow/contrib/keras/api/keras/preprocessing/image/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/preprocessing/image/__init__.py
@@ -18,20 +18,20 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.preprocessing.image import apply_transform
-from tensorflow.python.keras._impl.keras.preprocessing.image import array_to_img
-from tensorflow.python.keras._impl.keras.preprocessing.image import DirectoryIterator
-from tensorflow.python.keras._impl.keras.preprocessing.image import flip_axis
-from tensorflow.python.keras._impl.keras.preprocessing.image import ImageDataGenerator
-from tensorflow.python.keras._impl.keras.preprocessing.image import img_to_array
-from tensorflow.python.keras._impl.keras.preprocessing.image import Iterator
-from tensorflow.python.keras._impl.keras.preprocessing.image import load_img
-from tensorflow.python.keras._impl.keras.preprocessing.image import NumpyArrayIterator
-from tensorflow.python.keras._impl.keras.preprocessing.image import random_channel_shift
-from tensorflow.python.keras._impl.keras.preprocessing.image import random_rotation
-from tensorflow.python.keras._impl.keras.preprocessing.image import random_shear
-from tensorflow.python.keras._impl.keras.preprocessing.image import random_shift
-from tensorflow.python.keras._impl.keras.preprocessing.image import random_zoom
+from tensorflow.python.keras.preprocessing.image import apply_transform
+from tensorflow.python.keras.preprocessing.image import array_to_img
+from tensorflow.python.keras.preprocessing.image import DirectoryIterator
+from tensorflow.python.keras.preprocessing.image import flip_axis
+from tensorflow.python.keras.preprocessing.image import ImageDataGenerator
+from tensorflow.python.keras.preprocessing.image import img_to_array
+from tensorflow.python.keras.preprocessing.image import Iterator
+from tensorflow.python.keras.preprocessing.image import load_img
+from tensorflow.python.keras.preprocessing.image import NumpyArrayIterator
+from tensorflow.python.keras.preprocessing.image import random_channel_shift
+from tensorflow.python.keras.preprocessing.image import random_rotation
+from tensorflow.python.keras.preprocessing.image import random_shear
+from tensorflow.python.keras.preprocessing.image import random_shift
+from tensorflow.python.keras.preprocessing.image import random_zoom
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/preprocessing/sequence/__init__.py b/tensorflow/contrib/keras/api/keras/preprocessing/sequence/__init__.py
index 112f6af5e5..9a93b6fb57 100644
--- a/tensorflow/contrib/keras/api/keras/preprocessing/sequence/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/preprocessing/sequence/__init__.py
@@ -18,9 +18,9 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.preprocessing.sequence import make_sampling_table
-from tensorflow.python.keras._impl.keras.preprocessing.sequence import pad_sequences
-from tensorflow.python.keras._impl.keras.preprocessing.sequence import skipgrams
+from tensorflow.python.keras.preprocessing.sequence import make_sampling_table
+from tensorflow.python.keras.preprocessing.sequence import pad_sequences
+from tensorflow.python.keras.preprocessing.sequence import skipgrams
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/preprocessing/text/__init__.py b/tensorflow/contrib/keras/api/keras/preprocessing/text/__init__.py
index 5bf1a2fb21..86386a9b67 100644
--- a/tensorflow/contrib/keras/api/keras/preprocessing/text/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/preprocessing/text/__init__.py
@@ -18,9 +18,9 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.preprocessing.text import one_hot
-from tensorflow.python.keras._impl.keras.preprocessing.text import text_to_word_sequence
-from tensorflow.python.keras._impl.keras.preprocessing.text import Tokenizer
+from tensorflow.python.keras.preprocessing.text import one_hot
+from tensorflow.python.keras.preprocessing.text import text_to_word_sequence
+from tensorflow.python.keras.preprocessing.text import Tokenizer
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/regularizers/__init__.py b/tensorflow/contrib/keras/api/keras/regularizers/__init__.py
index 3e707ccab5..d668e39c09 100644
--- a/tensorflow/contrib/keras/api/keras/regularizers/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/regularizers/__init__.py
@@ -19,19 +19,19 @@ from __future__ import division
 from __future__ import print_function
 
 # Regularizer functions / callable classes.
-from tensorflow.python.keras._impl.keras.regularizers import L1L2
-from tensorflow.python.keras._impl.keras.regularizers import Regularizer
+from tensorflow.python.keras.regularizers import L1L2
+from tensorflow.python.keras.regularizers import Regularizer
 
 # Functional interface.
 # pylint: disable=g-bad-import-order
-from tensorflow.python.keras._impl.keras.regularizers import l1
-from tensorflow.python.keras._impl.keras.regularizers import l2
-from tensorflow.python.keras._impl.keras.regularizers import l1_l2
+from tensorflow.python.keras.regularizers import l1
+from tensorflow.python.keras.regularizers import l2
+from tensorflow.python.keras.regularizers import l1_l2
 
 # Auxiliary utils.
-from tensorflow.python.keras._impl.keras.regularizers import deserialize
-from tensorflow.python.keras._impl.keras.regularizers import serialize
-from tensorflow.python.keras._impl.keras.regularizers import get
+from tensorflow.python.keras.regularizers import deserialize
+from tensorflow.python.keras.regularizers import serialize
+from tensorflow.python.keras.regularizers import get
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/utils/__init__.py b/tensorflow/contrib/keras/api/keras/utils/__init__.py
index a7c2179fe7..47cd01b924 100644
--- a/tensorflow/contrib/keras/api/keras/utils/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/utils/__init__.py
@@ -18,21 +18,21 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.utils.data_utils import GeneratorEnqueuer
-from tensorflow.python.keras._impl.keras.utils.data_utils import get_file
-from tensorflow.python.keras._impl.keras.utils.data_utils import Sequence
-from tensorflow.python.keras._impl.keras.utils.data_utils import SequenceEnqueuer
-from tensorflow.python.keras._impl.keras.utils.generic_utils import custom_object_scope
-from tensorflow.python.keras._impl.keras.utils.generic_utils import CustomObjectScope
-from tensorflow.python.keras._impl.keras.utils.generic_utils import deserialize_keras_object
-from tensorflow.python.keras._impl.keras.utils.generic_utils import get_custom_objects
-from tensorflow.python.keras._impl.keras.utils.generic_utils import Progbar
-from tensorflow.python.keras._impl.keras.utils.generic_utils import serialize_keras_object
-from tensorflow.python.keras._impl.keras.utils.io_utils import HDF5Matrix
-from tensorflow.python.keras._impl.keras.utils.layer_utils import convert_all_kernels_in_model
-from tensorflow.python.keras._impl.keras.utils.np_utils import normalize
-from tensorflow.python.keras._impl.keras.utils.np_utils import to_categorical
-from tensorflow.python.keras._impl.keras.utils.vis_utils import plot_model
+from tensorflow.python.keras.utils.data_utils import GeneratorEnqueuer
+from tensorflow.python.keras.utils.data_utils import get_file
+from tensorflow.python.keras.utils.data_utils import Sequence
+from tensorflow.python.keras.utils.data_utils import SequenceEnqueuer
+from tensorflow.python.keras.utils.generic_utils import custom_object_scope
+from tensorflow.python.keras.utils.generic_utils import CustomObjectScope
+from tensorflow.python.keras.utils.generic_utils import deserialize_keras_object
+from tensorflow.python.keras.utils.generic_utils import get_custom_objects
+from tensorflow.python.keras.utils.generic_utils import Progbar
+from tensorflow.python.keras.utils.generic_utils import serialize_keras_object
+from tensorflow.python.keras.utils.io_utils import HDF5Matrix
+from tensorflow.python.keras.utils.layer_utils import convert_all_kernels_in_model
+from tensorflow.python.keras.utils.np_utils import normalize
+from tensorflow.python.keras.utils.np_utils import to_categorical
+from tensorflow.python.keras.utils.vis_utils import plot_model
 
 del absolute_import
 del division
diff --git a/tensorflow/contrib/keras/api/keras/wrappers/scikit_learn/__init__.py b/tensorflow/contrib/keras/api/keras/wrappers/scikit_learn/__init__.py
index a46f859273..c4b7aa765c 100644
--- a/tensorflow/contrib/keras/api/keras/wrappers/scikit_learn/__init__.py
+++ b/tensorflow/contrib/keras/api/keras/wrappers/scikit_learn/__init__.py
@@ -18,8 +18,8 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.python.keras._impl.keras.wrappers.scikit_learn import KerasClassifier
-from tensorflow.python.keras._impl.keras.wrappers.scikit_learn import KerasRegressor
+from tensorflow.python.keras.wrappers.scikit_learn import KerasClassifier
+from tensorflow.python.keras.wrappers.scikit_learn import KerasRegressor
 
 del absolute_import
 del division