From 20bbe0c62d1f76da9098cb2b07b575c7b6a4094f 2019-01-24 00:06:22
From: Matthias Bussonnier <bussonniermatthias@gmail.com>
Date: 2019-01-24 00:06:22
Subject: [PATCH] Merge pull request #11568 from sanyam5/master

autoreload: explicitly check for True when updating attributes
---

diff --git a/IPython/extensions/autoreload.py b/IPython/extensions/autoreload.py
index ca6be10..4edd3b3 100644
--- a/IPython/extensions/autoreload.py
+++ b/IPython/extensions/autoreload.py
@@ -274,7 +274,9 @@ def update_class(old, new):
         old_obj = getattr(old, key)
         try:
             new_obj = getattr(new, key)
-            if old_obj == new_obj:
+            # explicitly checking that comparison returns True to handle
+            # cases where `==` doesn't return a boolean.
+            if (old_obj == new_obj) is True:
                 continue
         except AttributeError:
             # obsolete attribute: remove it