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Traceback (most recent call last): File "C:\Python34\lib\site-packages\tornado\web.py", line 1422, in _execute result = self.prepare() File "C:\Python34\lib\site-packages\tornado\web.py", line 2149, in prepare raise HTTPError(self._status_code) tornado.web.HTTPError: HTTP 404: Not Found
Tunnel 0e931571.ngrok.io not found – your grok is down.
activate
event
is only fired on tab activation, it is not fired for the initial tab
when the tabs widget is created. If you need a hook for widget
creation use the
create
event.
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