theano：更新后函数名的更换，问题积累

函数名： from theano.tensor.signal import downsample

Same issue [theano v.0.9.0dev1.dev-2...]; changed

from theano.tensor.signal import downsample...pooled_out = downsample.max_pool_2d( ... )

to

from theano.tensor.signal import pool...pooled_out = pool.pool_2d( ... )

Works!