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-rw-r--r--tensorflow/python/keras/utils/np_utils.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/tensorflow/python/keras/utils/np_utils.py b/tensorflow/python/keras/utils/np_utils.py
index 9d9c72b162..c24e87308b 100644
--- a/tensorflow/python/keras/utils/np_utils.py
+++ b/tensorflow/python/keras/utils/np_utils.py
@@ -33,7 +33,8 @@ def to_categorical(y, num_classes=None):
num_classes: total number of classes.
Returns:
- A binary matrix representation of the input.
+ A binary matrix representation of the input. The classes axis is placed
+ last.
"""
y = np.array(y, dtype='int')
input_shape = y.shape