Cannot find module cv2 when using OpenCV

The error message "Cannot find module cv2" usually indicates that the OpenCV library is not installed on your system, or that Python is unable to find the library. Here are a few things you can try to fix the issue:

  1. Make sure that you have installed OpenCV correctly on your system. You can check if OpenCV is installed by running the following command in your terminal: pip show opencv-python or conda list opencv-python if you use anaconda.

  2. If OpenCV is not installed, you can install it by running the following command: pip install opencv-python or conda install -c conda-forge opencv-python if you use anaconda.

  3. Check the version of opencv installed. Sometimes your code may not be compatible with the version of OpenCV you have installed.

  4. If python is not able to find cv2, try adding the path of OpenCV module to PYTHONPATH by adding the following line to your .bashrc or .bash_profile file.

export PYTHONPATH=$PYTHONPATH:path_to_your_opencv_library

Watch a course Python - The Practical Guide

  1. Some time cv2.pyd is not at the right path. Then we can try copying the cv2.pyd to Python's site-packages directory.

  2. Uninstalling and reinstalling the OpenCV library also can help in this case.

If none of these solutions work, please provide more information about your setup, including your operating system and the version of Python you are using, so that I can help you further.

Please let me know if there's any other way I can help!