fix AttributeError (microsoft#321)

dominiquehunziker · axelsrz · commit 274642e18ea4 · 2019-10-17T16:29:00.000-07:00
diff --git a/libraries/botbuilder-dialogs/botbuilder/dialogs/component_dialog.py b/libraries/botbuilder-dialogs/botbuilder/dialogs/component_dialog.py
@@ -89,7 +89,7 @@ async def end_dialog(
     ) -> None:
         # Forward cancel to inner dialogs
         if reason == DialogReason.CancelCalled:
-            dialog_state = instance.State[self.persisted_dialog_state]
+            dialog_state = instance.state[self.persisted_dialog_state]
             inner_dc = DialogContext(self._dialogs, context, dialog_state)
             await inner_dc.cancel_all_dialogs()
         await self.on_end_dialog(context, instance, reason)
