From 872de8af1f3761d4737672dab2f50a225ab0423e 2016-11-07 18:24:26
From: Paul Ivanov <pivanov5@bloomberg.net>
Date: 2016-11-07 18:24:26
Subject: [PATCH] restore tab completion behavior

this is a minimal patch to restore proper tab completion behavior, a
partial revert of #8355. I think avoiding the explicit poking into the
__bases__ classes address the concerns #8330.

---

diff --git a/IPython/utils/dir2.py b/IPython/utils/dir2.py
index f6f164f..62797ae 100644
--- a/IPython/utils/dir2.py
+++ b/IPython/utils/dir2.py
@@ -41,6 +41,9 @@ def dir2(obj):
         # TypeError: dir(obj) does not return a list
         words = set()
 
+    if safe_hasattr(obj, '__class__'):
+        words |= set(dir(obj.__class__))
+
     # filter out non-string attributes which may be stuffed by dir() calls
     # and poor coding in third-party modules