From 9f1c67cba4247da319e4d11228476a6d4710507b 2017-05-10 17:16:19
From: Thomas Kluyver <takowl@gmail.com>
Date: 2017-05-10 17:16:19
Subject: [PATCH] Backport PR #10523: Don't reload __mp_main__

Fixes  10522.

---

diff --git a/IPython/extensions/autoreload.py b/IPython/extensions/autoreload.py
index 60d9572..2d0894f 100644
--- a/IPython/extensions/autoreload.py
+++ b/IPython/extensions/autoreload.py
@@ -186,8 +186,8 @@ class ModuleReloader(object):
         if not hasattr(module, '__file__') or module.__file__ is None:
             return None, None
 
-        if getattr(module, '__name__', None) == '__main__':
-            # we cannot reload(__main__)
+        if getattr(module, '__name__', None) in ['__mp_main__', '__main__']:
+            # we cannot reload(__main__) or reload(__mp_main__)
             return None, None
 
         filename = module.__file__