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Virtual environment (venv) package for Python. Based on PEP 405.

Copyright (C) 2011-2012 Vinay Sajip.
Licensed to the PSF under a contributor agreement.

usage: python -m venv [-h] [--system-site-packages] [--symlinks] [--clear]
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Creates virtual Python environments in one or more target directories.

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  --clear               Delete the environment directory if it already exists.
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  --upgrade             Upgrade the environment directory to use this version
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