pep8

theano/sandbox/gpuarray/opt.py

@@ -342,16 +342,19 @@ def local_gpua_crossentropysoftmaxargmax1hotwithbias(node):
 def local_gpua_crossentropysoftmax1hotwithbiasdx(node):
     return GpuCrossentropySoftmax1HotWithBiasDx()
 
+
 @register_opt()
 @op_lifter([tensor.nnet.Softmax])
 def local_gpua_softmax(node):
     return GpuSoftmax()
 
+
 @register_opt()
 @op_lifter([tensor.nnet.SoftmaxWithBias])
 def local_gpua_softmaxwithbias(node):
     return GpuSoftmaxWithBias()
 
+
 @register_opt()
 @op_lifter([gpu_from_host, ConvOp])
 def local_gpu_conv(node):