fix pep-8 errors in gof

theano/gof/cc.py

@@ -115,14 +115,12 @@ def failure_code(sub):
 def failure_code_init(sub):
     """
     Code for failure in the struct init.
-    
     Parameters:
     --------------
     sub
       Dictionary used to template the struct.
       * failure_var -> must contain a variable name to use for
       the failure code.
-    
     """
     return '''{
         if (!PyErr_Occurred()) {
@@ -895,7 +893,6 @@ class CLinker(link.Linker):
         """
         Returns a list of support code strings that are needed by
         one or more Variables or Ops.
-       
         The support code from Variables is added before the support code from Ops.This might contain duplicates.
         """
         ret = []
@@ -1172,10 +1169,8 @@ class CLinker(link.Linker):
             be allocated.
         storage_map: dict that map variables to storages.
             This is used when you need to customize the storage of
-            this thunk.
-	keep_lock
+            this thunk.keep_lock
         WRITEME
-        
         Returns: thunk, input_storage, output_storage
 
         The return values can be used as follows:
@@ -1845,7 +1840,6 @@ def _default_checker(x, y):
     """
     Default checker for DualLinker. This checks that the
     variables contain the same data using ==.
-    
     Parameters
     -------------
     x,y

theano/gof/cmodule.py

@@ -1474,7 +1474,6 @@ class ModuleCache(object):
 
 def _rmtree(parent, ignore_nocleanup=False, msg='', level=logging.DEBUG,
             ignore_if_missing=False):
-    
     """
     On NFS filesystems, it is impossible to delete a directory with open
     files in it.

theano/gof/link.py

@@ -55,7 +55,6 @@ def thunk_hook(type, value, trace):
     This function is meant to replace excepthook and do some
     special work if the exception value has a __thunk_trace__
     field.
-    
     In that case, it retrieves the field, which should
     contain a trace as returned by L{traceback.extract_stack},
     and prints it out on L{stderr}.
@@ -714,7 +713,6 @@ class LocalLinker(Linker):
 def gc_helper(node_list):
     """
     Return the set of Variable instances which are computed by node_list.
-      
     Parameters
     ----------
     node_list

theano/gof/op.py

@@ -982,7 +982,6 @@ class Op(utils.object2, PureOp, CLinkerOp):
     def make_node(self, *inputs):
 	"""
         Create a "apply" nodes for the inputs in that order.
-
         """
         if not hasattr(self, 'itypes'):
             raise NotImplementedError("You can either define itypes and otypes,\
@@ -1189,7 +1188,6 @@ class OpenMPOp(Op):
     def c_headers(self):
 	"""
         Return the header file name "omp.h" if openMP is supported
-
         """
         self.update_self_openmp()
         if self.openmp:

theano/gof/unify.py

@@ -135,8 +135,6 @@ class Unification:
     """
     This class represents a possible unification of a group of variables
     with each other or with tangible values.
-
-    
     Parameters
     ----------
     inplace : bool