Have installed Dash on macOS, but gives error while running the script

问题

I am trying to run dash through Jupiter notebook on macOS. It does get imported and when I try to run app.run_server command it fails. it gives me the following error Errno 8] nodename nor servname provided, or not known

Please adviseenter image description here and have a look at the screenshot uploaded.

回答1:

Just specify the explicit host name in the app.py Default hostname causes such issue

if __name__ == '__main__':
    app.server.run(port=8000, host='127.0.0.1')

来源：https://stackoverflow.com/questions/61002897/have-installed-dash-on-macos-but-gives-error-while-running-the-script