已在macOS上安装Dash，但在运行脚本时出现错误 [英] Have installed Dash on macOS, but gives error while running the script

问题描述

我正在尝试在macOS上通过Jupiter Notebook运行破折号.它确实被导入，当我尝试运行app.run_server命令时，它失败了.它给了我以下错误Errno 8]提供的节点名或服务名，或者未知

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

请建议在此处输入图片描述，并查看上传的屏幕截图.

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

推荐答案

只需在 app.py 中指定显式主机名默认主机名会导致此类问题

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')

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