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windows powershell環境で'python --version'実行時にreturncode=9009が返ってくる

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windows powershell環境で'python --version'実行時にreturncode=9009が返ってくる

CompletedProcess(args='python --version', returncode=9009, stderr='Python ')

パスが通っていない or pythonがインストールできていないとreturncode=9009になりそうである

> 「Add Python to PATH」にチェックを入れずにPythonをインストールしたらWebUIが起動しない 
> Couldn't launch python
> 
> exit code: 9009
> 
> stderr:
> Python was not found but can be installed from the Microsoft Store: https://go.microsoft.com/fwlink?linkID=2082640
> Launch unsuccessful. Exiting.
> 続行するには何かキーを押してください . . .

インストールする or パスを通すことで無事に解決

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