From c5e378da41641d5bc1e9b5c6c11bd470ff90b3e3 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Tue, 4 May 2004 08:34:56 +0000
Subject: Testing for None should be done with 'is'

---
 Lib/idlelib/CallTips.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/idlelib/CallTips.py b/Lib/idlelib/CallTips.py
index 67d97d2..97d9746 100644
--- a/Lib/idlelib/CallTips.py
+++ b/Lib/idlelib/CallTips.py
@@ -21,7 +21,7 @@ class CallTips:
     ]
 
     def __init__(self, editwin=None):
-        if editwin == None:  # subprocess and test
+        if editwin is None:  # subprocess and test
             self.editwin = None
             return
         self.editwin = editwin
-- 
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