patch from issue 1108

Lib/doctest.py

@@ -854,12 +854,12 @@ class DocTestFinder:
         """
         if module is None:
             return True
+        elif inspect.getmodule(object) is not None:
+            return module is inspect.getmodule(object)
         elif inspect.isfunction(object):
             return module.__dict__ is object.func_globals
         elif inspect.isclass(object):
             return module.__name__ == object.__module__
-        elif inspect.getmodule(object) is not None:
-            return module is inspect.getmodule(object)
         elif hasattr(object, '__module__'):
             return module.__name__ == object.__module__
         elif isinstance(object, property):