Fix flakes errors.
Fix flakes errors.

Fix a line length limitation and line feed codes.

jnishi/chainer,chainer/chainer,ysekky/chainer,okuta/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,delta2323/chainer,jnishi/chainer,jnishi/chainer,wkentaro/chainer,okuta/chainer,jnishi/chainer,niboshi/chainer,kiyukuta/chainer,aonotas/chainer,cupy/cupy,niboshi/chainer,hvy/chainer,chainer/chainer,hvy/chainer,okuta/chainer,rezoo/chainer,wkentaro/chainer,cupy/cupy,hvy/chainer,niboshi/chainer,chainer/chainer,ktnyt/chainer,wkentaro/chainer,anaruse/chainer,cupy/cupy,pfnet/chainer,ktnyt/chainer,cupy/cupy,keisuke-umezawa/chainer,niboshi/chainer,ktnyt/chainer,keisuke-umezawa/chainer,tkerola/chainer,chainer/chainer,kashif/chainer,wkentaro/chainer,ktnyt/chainer,ronekko/chainer,hvy/chainer,okuta/chainer