pep8

theano/compile/function_module.py

@@ -16,7 +16,8 @@ import theano
 from theano import gof
 from theano.gof.python25 import partial
 import theano.compile.mode
-from theano.compile.io import In, SymbolicInput, SymbolicInputKit, SymbolicOutput
+from theano.compile.io import (
+    In, SymbolicInput, SymbolicInputKit, SymbolicOutput)
 from theano.compile.ops import deep_copy_op, view_op
 
 import logging
@@ -29,9 +30,11 @@ class UnusedInputError(Exception):
     """
     pass
 
+
 def alias_root(v):
     """Return the variable to which v is aliased by view_maps and destroy_maps"""
-    if v.owner is None: return v
+    if v.owner is None:
+        return v
     vmap = getattr(v.owner.op, 'view_map', {})
     dmap = getattr(v.owner.op, 'destroy_map', {})
     outpos = v.owner.outputs.index(v)
@@ -106,10 +109,11 @@ class Supervisor:
             return True
         for r in self.protected + list(fgraph.outputs):
             if fgraph.destroyers(r):
-                raise gof.InconsistencyError("Trying to destroy a protected Variable.", r)
+                raise gof.InconsistencyError(
+                    "Trying to destroy a protected Variable.", r)
 
 
-def std_fgraph(input_specs, output_specs, accept_inplace = False):
+def std_fgraph(input_specs, output_specs, accept_inplace=False):
     """
     Makes an FunctionGraph corresponding to the input specs and the output
     specs.  Any SymbolicInput in the input_specs, if its update field
@@ -134,17 +138,18 @@ def std_fgraph(input_specs, output_specs, accept_inplace = False):
     for node in fgraph.apply_nodes:
         if getattr(node.op, 'destroy_map', None):
             if not accept_inplace:
-                raise TypeError("Graph must not contain inplace operations", node, node.op)
+                raise TypeError("Graph must not contain inplace operations",
+                                node, node.op)
             else:
                 fgraph.attach_feature(gof.DestroyHandler())
                 break
 
     # We need to protect all immutable inputs from inplace operations.
     fgraph.attach_feature(
-            Supervisor(input
-                for spec, input in zip(input_specs, fgraph.inputs)
-                if not (spec.mutable or
-                        (hasattr(fgraph, 'destroyers') and
+        Supervisor(input
+                   for spec, input in zip(input_specs, fgraph.inputs)
+                   if not (spec.mutable or
+                           (hasattr(fgraph, 'destroyers') and
                             fgraph.destroyers(input)))))
 
     # If named nodes are replaced, keep the name
@@ -155,6 +160,7 @@ def std_fgraph(input_specs, output_specs, accept_inplace = False):
 
 std_fgraph.features = [gof.toolbox.PreserveNames]
 
+
 class AliasedMemoryError(Exception):
     """Memory is aliased that should not be"""
     pass