Fix a issue when only specify one dot_axes for in the Merge layer in the dot mode (#3470)
Fix a issue when only specify one dot_axes for in the Merge layer in the dot mode (#3470)

* Upload examples/imdb_fasttext.py which implement the fasttext model

* Remove Dropout and unnecessary imports

* Remove Dropout and unnecessary imports

* Remove Dropout and unnecessary imports

* Fix a issue when only specify one dot_axes for in the Merge layer

* Fix a issue when only specify one dot_axes for in the Merge layer

keras-team/keras,kuza55/keras,DeepGnosis/keras,nebw/keras,keras-team/keras,kemaswill/keras,dolaameng/keras