1 files changed, 10 insertions, 4 deletions
diff --git a/Lib/lib-tk/tkSimpleDialog.py b/Lib/lib-tk/tkSimpleDialog.py
index 7b70411..3411d94 100644
--- a/Lib/lib-tk/tkSimpleDialog.py
+++ b/Lib/lib-tk/tkSimpleDialog.py
@@ -46,8 +46,13 @@ class Dialog(Toplevel):
             title -- the dialog title
         '''
         Toplevel.__init__(self, parent)
-        self.transient(parent)
 
+        # If the master is not viewable, don't
+        # make the child transient, or else it
+        # would be opened withdrawn
+        if parent.winfo_viewable():  
+            self.transient(parent)
+ 
         if title:
             self.title(title)
 
@@ -124,9 +129,10 @@ class Dialog(Toplevel):
         self.withdraw()
         self.update_idletasks()
 
-        self.apply()
-
-        self.cancel()
+        try:
+            self.apply()
+        finally:
+            self.cancel()
 
     def cancel(self, event=None):