Fix: added "Permute" into imports
Fix: added "Permute" into imports

relh/keras,daviddiazvico/keras,nebw/keras,keras-team/keras,jimgoo/keras,kuza55/keras,dolaameng/keras,kemaswill/keras,johmathe/keras,keras-team/keras,DeepGnosis/keras,imcomking/Convolutional-GRU-keras-extension-