Fix flake8 format of gpuarray/subtensor.py

theano/sandbox/gpuarray/subtensor.py

@@ -4,7 +4,7 @@ import numpy
 import os
 
 import theano
-from theano import tensor, gof, Op, config
+from theano import tensor, gof, config
 from six.moves import StringIO
 from theano.tensor.subtensor import IncSubtensor, Subtensor, get_idx_list
 import theano.tensor.inplace
@@ -243,16 +243,16 @@ class GpuIncSubtensor(GpuKernelBase, IncSubtensor):
         if sub_x.shape:
             # we've sliced out an N-D tensor with N > 0
             if not self.set_instead_of_inc:
-                #sub_x += y
-                pygpu.elemwise.ielemwise2(sub_x, '+', y,  broadcast=False)
+                # sub_x += y
+                pygpu.elemwise.ielemwise2(sub_x, '+', y, broadcast=False)
             else:
-                #sub_x += -sub_x + y
+                # sub_x += -sub_x + y
                 x.__setitem__(cdata, y)
         else:
             # scalar case
             if not self.set_instead_of_inc:
-                #x.__setitem__(cdata, sub_x + y)
-                tmp = pygpu.elemwise.elemwise2(sub_x, '+', y,  sub_x,
+                # x.__setitem__(cdata, sub_x + y)
+                tmp = pygpu.elemwise.elemwise2(sub_x, '+', y, sub_x,
                                                broadcast=False)
                 x.__setitem__(cdata, tmp)
             else:
@@ -261,9 +261,6 @@ class GpuIncSubtensor(GpuKernelBase, IncSubtensor):
 
     def __setstate__(self, d):
         self.__dict__.update(d)
-        owner = getattr(self.__dict__, "owner", None)
-        if owner:
-            op.create_iadd_node(owner)
 
     def __getstate__(self):
         d = copy.copy(self.__dict__)
@@ -558,7 +555,7 @@ class GpuAdvancedIncSubtensor1(HideC, tensor.AdvancedIncSubtensor1):
                 reshaped_y = y.reshape(y.shape[1:])
             else:
                 nb_dims_to_add = (x.ndim - 1) - y.ndim
-                reshaped_y = y.reshape((1,)*nb_dims_to_add + y.shape)
+                reshaped_y = y.reshape((1,) * nb_dims_to_add + y.shape)
 
             if self.set_instead_of_inc:
                 for i in idx:
@@ -633,9 +630,9 @@ class GpuAdvancedIncSubtensor1_dev20(GpuKernelBase, GpuAdvancedIncSubtensor1):
         device_properties = theano.sandbox.cuda.device_properties
         compute_capability = device_properties(active_device_no)['major']
         if ((self.set_instead_of_inc) or
-            (node.inputs[0].ndim != node.inputs[1].ndim) or
-            (node.inputs[0].ndim != 2) or
-            (compute_capability < 2)):
+                (node.inputs[0].ndim != node.inputs[1].ndim) or
+                (node.inputs[0].ndim != 2) or
+                (compute_capability < 2)):
             raise NotImplementedError("This case does not have C code yet.")
 
         x = inputs[0]