python虚拟环境 bug 记录：virtualenvwrapper

https://blog.csdn.net/qq_38890412/article/details/104536357?utm_medium=distribute.pc_relevant.none-task-blog-2_defaultbaidujs_title~default-0.pc_relevant_aa&spm=1001.2101.3001.4242.1&utm_relevant_index=3

解决掉；bug：
/usr/bin/python: Error while finding module specification for 'virtualenvwrapper.hook_loader' (ModuleNotFoundError: No module named 'virtualenvwrapper')
virtualenvwrapper.sh: There was a problem running the initialization hooks.

If Python could not import the module virtualenvwrapper.hook_loader,
check that virtualenvwrapper has been installed for
VIRTUALENVWRAPPER_PYTHON=/usr/bin/python and that PATH is
set properly.

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