From 88a6a544f6a26525e361c893f9e0fe5ef898c492 2018-07-14 06:47:20
From: Wei Yen <wlee@mathspace.co>
Date: 2018-07-14 06:47:20
Subject: [PATCH] Ensure `try_import` does not fail on null module.__file__

---

diff --git a/IPython/core/completerlib.py b/IPython/core/completerlib.py
index 3c66d73..eeb39a4 100644
--- a/IPython/core/completerlib.py
+++ b/IPython/core/completerlib.py
@@ -165,7 +165,7 @@ def try_import(mod: str, only_modules=False) -> List[str]:
     except:
         return []
 
-    m_is_init = hasattr(m, '__file__') and '__init__' in m.__file__
+    m_is_init = '__init__' in (getattr(m, '__file__', '') or '')
 
     completions = []
     if (not hasattr(m, '__file__')) or (not only_modules) or m_is_init: