How to fix “could not find or load the Qt platform plugin windows” while using Matplotlib in PyCharm

Question

I am getting the error \"could not find or load the Qt platform plugin windows\" while using matplotlib in PyCharm.

How can I solve this?

Answer 1

If you are running PyQt5 and PySide2, this solved the problem for me:

Copy the following files:

\Anaconda3\Lib\site-packages\PySide2\plugins\platforms\qminimal.dll
\Anaconda3\Lib\site-packages\PySide2\plugins\platforms\qoffscreen.dll
\Anaconda3\Lib\site-packages\PySide2\plugins\platforms\qwindows.dll

to:

\Anaconda3\Library\plugins\platforms\