From 1bd5b2e6fada5334b04e2db87cf246d1a83fa533 Mon Sep 17 00:00:00 2001
From: Adam Roberts <adarob@google.com>
Date: Fri, 26 Jan 2018 13:43:47 -0800
Subject: Automated g4 rollback of changelist 183321394

PiperOrigin-RevId: 183438398
---
 tensorflow/contrib/seq2seq/python/ops/helper.py | 36 -------------------------
 1 file changed, 36 deletions(-)

(limited to 'tensorflow/contrib')

diff --git a/tensorflow/contrib/seq2seq/python/ops/helper.py b/tensorflow/contrib/seq2seq/python/ops/helper.py
index 6d8f786223..ef3722ee41 100644
--- a/tensorflow/contrib/seq2seq/python/ops/helper.py
+++ b/tensorflow/contrib/seq2seq/python/ops/helper.py
@@ -72,14 +72,6 @@ class Helper(object):
     """
     raise NotImplementedError("batch_size has not been implemented")
 
-  @abc.abstractproperty
-  def input_shape(self):
-    """Shape of each input element in batch.
-
-    Returns a `TensorShape`.
-    """
-    raise NotImplementedError("input_shape has not been implemented")
-
   @abc.abstractproperty
   def sample_ids_shape(self):
     """Shape of tensor returned by `sample`, excluding the batch dimension.
@@ -135,7 +127,6 @@ class CustomHelper(Helper):
     self._sample_fn = sample_fn
     self._next_inputs_fn = next_inputs_fn
     self._batch_size = None
-    self._input_shape = None
     self._sample_ids_shape = tensor_shape.TensorShape(sample_ids_shape or [])
     self._sample_ids_dtype = sample_ids_dtype or dtypes.int32
 
@@ -158,8 +149,6 @@ class CustomHelper(Helper):
       (finished, next_inputs) = self._initialize_fn()
       if self._batch_size is None:
         self._batch_size = array_ops.size(finished)
-      if self._input_shape is None:
-        self._input_shape = next_inputs.shape[1:]
     return (finished, next_inputs)
 
   def sample(self, time, outputs, state, name=None):
@@ -195,7 +184,6 @@ class TrainingHelper(Helper):
     """
     with ops.name_scope(name, "TrainingHelper", [inputs, sequence_length]):
       inputs = ops.convert_to_tensor(inputs, name="inputs")
-      self._inputs = inputs
       if not time_major:
         inputs = nest.map_structure(_transpose_batch_time, inputs)
 
@@ -211,16 +199,11 @@ class TrainingHelper(Helper):
           lambda inp: array_ops.zeros_like(inp[0, :]), inputs)
 
       self._batch_size = array_ops.size(sequence_length)
-      self._input_shape = inputs.shape[2:]
 
   @property
   def batch_size(self):
     return self._batch_size
 
-  @property
-  def input_shape(self):
-    return self._input_shape
-
   @property
   def sample_ids_shape(self):
     return tensor_shape.TensorShape([])
@@ -229,14 +212,6 @@ class TrainingHelper(Helper):
   def sample_ids_dtype(self):
     return dtypes.int32
 
-  @property
-  def inputs(self):
-    return self._inputs
-
-  @property
-  def sequence_length(self):
-    return self._sequence_length
-
   def initialize(self, name=None):
     with ops.name_scope(name, "TrainingHelperInitialize"):
       finished = math_ops.equal(0, self._sequence_length)
@@ -541,16 +516,11 @@ class GreedyEmbeddingHelper(Helper):
     if self._end_token.get_shape().ndims != 0:
       raise ValueError("end_token must be a scalar")
     self._start_inputs = self._embedding_fn(self._start_tokens)
-    self._input_shape = self._start_inputs.shape[1:]
 
   @property
   def batch_size(self):
     return self._batch_size
 
-  @property
-  def input_shape(self):
-    return self._input_shape
-
   @property
   def sample_ids_shape(self):
     return tensor_shape.TensorShape([])
@@ -662,8 +632,6 @@ class InferenceHelper(Helper):
     self._sample_dtype = sample_dtype
     self._next_inputs_fn = next_inputs_fn
     self._batch_size = array_ops.shape(start_inputs)[0]
-    self._input_shape = start_inputs.shape[1:]
-
     self._start_inputs = ops.convert_to_tensor(
         start_inputs, name="start_inputs")
 
@@ -671,10 +639,6 @@ class InferenceHelper(Helper):
   def batch_size(self):
     return self._batch_size
 
-  @property
-  def input_shape(self):
-    return self._input_shape
-
   @property
   def sample_ids_shape(self):
     return self._sample_shape
-- 
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