Backport PR #10944: make sure module actually has __name__ attribute

IPython/extensions/autoreload.py

@@ -186,7 +186,7 b' class ModuleReloader(object):'
         if not hasattr(module, '__file__') or module.__file__ is None:
             return None, None
 
-        if getattr(module, '__name__', None) in ['__mp_main__', '__main__']:
+        if getattr(module, '__name__', None) in [None, '__mp_main__', '__main__']:
             # we cannot reload(__main__) or reload(__mp_main__)
             return None, None