A connection to the notebook server could not be established. The notebook will continue trying to reconnect, but until it does, you will NOT be able to run code. Check your network connection or notebook server configuration

This problem is due to incorrect configuration of torando server. You need to uninstall tornado version 6 and install tornado version 5.1.1

To uninstall run : pip uninstall tornado

Install tonado : pip install tornado==5.1.1

3 replies to “A connection to the notebook server could not be established. The notebook will continue trying to reconnect, but until it does, you will NOT be able to run code. Check your network connection or notebook server configuration”

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