Testing for None should be done with 'is'

rhettinger · rhettinger · commit c5e378da4164 · 2004-05-04T08:34:56.000Z
diff --git 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

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,7 @@ class CallTips:`
`21`	`21`	`]`
`22`	`22`
`23`	`23`	`def __init__(self, editwin=None):`
`24`		`- if editwin == None: # subprocess and test`
	`24`	`+ if editwin is None: # subprocess and test`
`25`	`25`	`self.editwin = None`
`26`	`26`	`return`
`27`	`27`	`self.editwin = editwin`