Iterate over tuple() when deleting items (#1062)

Fixes #1061
2021-10-07 15:49:03 -07:00
parent 57294d013e
commit 9edbb3b4a3
1 changed files with 1 additions and 1 deletions
@@ -1607,7 +1607,7 @@ class MiniEdit( Frame ):
    def newTopology( self ):
        "New command."
-        for widget in self.widgetToItem:
+        for widget in tuple( self.widgetToItem ):
            self.deleteItem( self.widgetToItem[ widget ] )
        self.hostCount = 0
        self.switchCount = 0