small fix.

theano/sandbox/cuda/nnet.py

@@ -364,7 +364,7 @@ class GpuCrossentropySoftmax1HotWithBiasDx(GpuOp):
 gpu_crossentropy_softmax_1hot_with_bias_dx = GpuCrossentropySoftmax1HotWithBiasDx()
 
 
-class GpuSoftmax(Op):
+class GpuSoftmax(GpuOp):
     """
     Implement Softmax on the gpu.
     """

theano/sandbox/cuda/tests/test_nnet.py

@@ -255,8 +255,6 @@ def test_sqr_sum_ax0():
     z = (x**2).sum(axis=0)
     f = theano.function([x], z, mode=mode_without_gpu)
     f_gpu = theano.function([x], z, mode=mode_with_gpu)
-    theano.printing.debugprint(f_gpu)
-    theano.printing.debugprint(f_gpu2)
     assert isinstance(f_gpu.maker.fgraph.toposort()[-2].op,
                       cuda.nnet.GpuSqrSumAx0)