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Python multiple version configuration after using PIP appears Fatal error in launcher:unable to create process using ' "'

Source: Internet
Author: User
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The previous article just introduced Python's multi-version environment configuration, and then I changed the Python2 python.exe to Python2.exe, Python2 Pip is not good, there has been title error ...

And then the solution was simple, though slightly troublesome

Enter python2-m pip install XXX to:

Here NumPy I have already installed, so this shows, normal should be collecting XXXXX

Python multiple version configuration after using PIP appears Fatal error in launcher:unable to create process using ' "'

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