just a pep8 pass of lib/sqlalchemy/ext/declarative

1 files changed, 10 insertions, 2 deletions

diff --git a/lib/sqlalchemy/ext/declarative/clsregistry.py b/lib/sqlalchemy/ext/declarative/clsregistry.py
index 47450c5b7..a0e177f77 100644
--- a/lib/sqlalchemy/ext/declarative/clsregistry.py
+++ b/lib/sqlalchemy/ext/declarative/clsregistry.py
@@ -22,6 +22,7 @@ import weakref
 # themselves when all references to contained classes are removed.
 _registries = set()
 
+
 def add_class(classname, cls):
     """Add a class to the _decl_class_registry associated with the
     given declarative class.
@@ -111,6 +112,7 @@ class _MultipleClassMarker(object):
             )
         self.contents.add(weakref.ref(item, self._remove_item))
 
+
 class _ModuleMarker(object):
     """"refers to a module name within
     _decl_class_registry.
@@ -160,7 +162,6 @@ class _ModuleMarker(object):
                         on_remove=lambda: self._remove_item(name))
 
 
-
 class _ModNS(object):
     def __init__(self, parent):
         self.__parent = parent
@@ -180,6 +181,7 @@ class _ModNS(object):
         raise AttributeError("Module %r has no mapped classes "
                     "registered under the name %r" % (self.__parent.name, key))
 
+
 class _GetColumns(object):
     def __init__(self, cls):
         self.cls = cls
@@ -200,6 +202,7 @@ class _GetColumns(object):
                             " directly to a Column)." % key)
         return getattr(self.cls, key)
 
+
 class _GetTable(object):
     def __init__(self, key, metadata):
         self.key = key
@@ -210,11 +213,13 @@ class _GetTable(object):
                 _get_table_key(key, self.key)
             ]
 
+
 def _determine_container(key, value):
     if isinstance(value, _MultipleClassMarker):
         value = value.attempt_get([], key)
     return _GetColumns(value)
 
+
 def _resolver(cls, prop):
     def resolve_arg(arg):
         import sqlalchemy
@@ -232,11 +237,13 @@ def _resolver(cls, prop):
                 return _GetTable(key, cls.metadata)
             elif '_sa_module_registry' in cls._decl_class_registry and \
                 key in cls._decl_class_registry['_sa_module_registry']:
-                return cls._decl_class_registry['_sa_module_registry'].resolve_attr(key)
+                registry = cls._decl_class_registry['_sa_module_registry']
+                return registry.resolve_attr(key)
             else:
                 return fallback[key]
 
         d = util.PopulateDict(access_cls)
+
         def return_cls():
             try:
                 x = eval(arg, globals(), d)
@@ -256,6 +263,7 @@ def _resolver(cls, prop):
         return return_cls
     return resolve_arg
 
+
 def _deferred_relationship(cls, prop):
 
     if isinstance(prop, RelationshipProperty):