flake8

theano/gpuarray/dnn.py

@@ -3412,18 +3412,21 @@ def local_dnn_conv_alpha_merge(node, *inputs):
     with inherit_stack_trace(node.outputs):
         return [GpuDnnConv(algo=node.op.algo, num_groups=node.op.num_groups)(*inputs)]
 
+
 @register_opt('cudnn')
 @alpha_merge(GpuDnnConvGradW, alpha_in=4, beta_in=5)
 def local_dnn_convw_alpha_merge(node, *inputs):
     with inherit_stack_trace(node.outputs):
         return [GpuDnnConvGradW(algo=node.op.algo, num_groups=node.op.num_groups)(*inputs)]
 
+
 @register_opt('cudnn')
 @alpha_merge(GpuDnnConvGradI, alpha_in=4, beta_in=5)
 def local_dnn_convi_alpha_merge(node, *inputs):
     with inherit_stack_trace(node.outputs):
         return [GpuDnnConvGradI(algo=node.op.algo, num_groups=node.op.num_groups)(*inputs)]
 
+
 @register_opt('cudnn')
 @output_merge(GpuDnnConv, alpha_in=4, beta_in=5, out_in=2)
 def local_dnn_conv_output_merge(node, *inputs):