Description: UnboundMethod: fix a regression with Python 3
Origin: upstream, https://github.com/nose-devs/nose/commit/43c35e49106916
Last-Update: 2014-03-24

--- a/nose/pyversion.py
+++ b/nose/pyversion.py
@@ -89,7 +89,8 @@
         self.__dict__ = func.__dict__.copy()
         self._func = func
         self.__self__ = UnboundSelf(cls)
-        self.im_class = cls
+        if sys.version_info < (3, 0):
+            self.im_class = cls
 
     def address(self):
         cls = self.__self__.cls
