Do not use 'else' after 'return'
Do not use 'else' after 'return'

chainer/chainer,okuta/chainer,hvy/chainer,okuta/chainer,okuta/chainer,wkentaro/chainer,chainer/chainer,pfnet/chainer,chainer/chainer,okuta/chainer,wkentaro/chainer,niboshi/chainer,niboshi/chainer,niboshi/chainer,hvy/chainer,hvy/chainer,wkentaro/chainer,niboshi/chainer,chainer/chainer,wkentaro/chainer,hvy/chainer