Solve modularnotfounderror: no module named "cv2.aruco“

python3.6 and python3.7 In the environment , Close test effectively .

First turn on the pip Version changed to 21.2.2, then uninstall all opencv Related libraries （contrib,contrib-headless,opencv As well as its headless）, Then just install contrib and opencv.

1.pip Version changes
stay pycharm Of interpreter The specified version can be changed in the compiler .

2. Unload and reload
Uninstall all related contrib、headless Such as the library

pip uninstall opencv-contrib-python
pip uninstall opencv-contrib-python-headless
pip uninstall opencv-python
pip uninstall opencv-python-headless

reinstall 4.5.5.62 edition

pip install opencv-contrib-python==4.5.5.62 opencv-python==4.5.5.62 -i https://pypi.douban.com/simple