Now that tornado 6 has been released, we need to fix the websocket handler subclass to yield/await its superclass call to get(). Failures to do so result in messages like the following (note this will only appear when DEBUG is enabled):
[D 07:27:42.239 NotebookApp] Initializing websocket connection /api/kernels/e192ca76-dc43-4779-9afa-8a32bc23a1a0/channels
/opt/anaconda3/envs/nb2kg-dev/lib/python3.7/site-packages/nb2kg/handlers.py:87: RuntimeWarning: coroutine 'WebSocketHandler.get' was never awaited
super(WebSocketChannelsHandler, self).get(kernel_id=kernel_id, *args, **kwargs)
Now that tornado 6 has been released, we need to fix the websocket handler subclass to
yield/awaitits superclass call toget(). Failures to do so result in messages like the following (note this will only appear when DEBUG is enabled):This was reported relative to the gateways in: https://github.com/jupyter/enterprise_gateway/issues/597