Merge pull request keras-team#1834 from farizrahman4u/patch-5

Fix imports : bAbI Example

Author: fchollet

examples/babi_rnn.py

@@ -66,7 +66,7 @@
 
 from keras.datasets.data_utils import get_file
 from keras.layers.embeddings import Embedding
-from keras.layers.core import Dense, Merge
+from keras.layers.core import Dense, Merge, Dropout, RepeatVector
 from keras.layers import recurrent
 from keras.models import Sequential
 from keras.preprocessing.sequence import pad_sequences