No module named 'cv2.load_config_py3'

This error message means that the Python module cv2.load_config_py3 could not be found. This could be due to a missing or incorrectly installed dependency.

To fix this error, you can try reinstalling OpenCV and its dependencies using pip. Here are the steps to follow:

1. Uninstall OpenCV:

pip uninstall opencv-python

2. Install the necessary dependencies:

pip install numpy matplotlib scipy scikit-image scikit-learn ipython

3. Install OpenCV again:

pip install opencv-python

If this does not solve the issue, you can try updating your Python environment and packages to make sure they are fully compatible with OpenCV.