nosetests -v sknn.tests

 File "/usr/local/lib/python2.7/dist-packages/Lasagne-0.1-py2.7.egg/lasagne/layers/pool.py", line 6, in <module>
    from theano.tensor.signal import downsample
ImportError: cannot import name downsample

----------------------------------------------------------------------
Ran 1 test in 0.002s

FAILED (errors=1)

sovle :cd /usr/local/lib/python2.7/dist-packages/Lasagne-0.1-py2.7.egg/lasagne/layers

         vim pool.py

        将from theano.tensor.signal import downsample 改为    from theano.tensor.signal import pool

        将pooled=downsample.max_pool_2d  改为 pooded=pool.pool_2d