Fix typo in wrapper.py
Fix a typo, from "backard_layer" to "backward_layer"
in an example of bidirectional custom backward layer.
diff --git a/tensorflow/python/keras/layers/wrappers.py b/tensorflow/python/keras/layers/wrappers.py
index 5a4d2b7..eb40167 100644
--- a/tensorflow/python/keras/layers/wrappers.py
+++ b/tensorflow/python/keras/layers/wrappers.py
@@ -394,8 +394,8 @@
# With custom backward layer
model = Sequential()
forward_layer = LSTM(10, return_sequences=True)
- backard_layer = LSTM(10, activation='relu', return_sequences=True,
- go_backwards=True)
+ backward_layer = LSTM(10, activation='relu', return_sequences=True,
+ go_backwards=True)
model.add(Bidirectional(forward_layer, backward_layer=backward_layer,
input_shape=(5, 10)))
model.add(Dense(5))