ImportError: Importing the multiarray numpy extension module failed.

Numpy of

pycharm suddenly became unavailable. At first, I thought numpy version was a problem. Uninstall, reinstall, upgrade, and degrade were not allowed.

then I tested the numpy of anaconda and found that it could be used, but pycharm could not. However, I checked the setting repeatedly, and there was no problem.

finally put solution : system environment variable Path to the bin level C:\ProgramData\Anaconda3\Library\bin, and then restart the computer.

at first I just introduced Anaconda3, but before using numpy I had no problem, maybe I updated conda, the package is confused, so the environment variable introduced must be bin level.

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