From 3179b36014d1dd48cc3f1363edf4b1adecc12c79 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 12 Oct 1998 20:40:47 +0000
Subject: When no master widget is specified, use options['parent'] if it
 exists.

---
 Lib/lib-tk/tkCommonDialog.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Lib/lib-tk/tkCommonDialog.py b/Lib/lib-tk/tkCommonDialog.py
index c63ca11..55cf064 100644
--- a/Lib/lib-tk/tkCommonDialog.py
+++ b/Lib/lib-tk/tkCommonDialog.py
@@ -27,6 +27,8 @@ class Dialog:
 
         self.master  = master
         self.options = options
+        if not master and options.get('parent'):
+            self.master = options['parent']
 
     def _fixoptions(self):
         pass # hook
-- 
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