Traceback (most recent call last): File "", line 1, in ModuleNotFoundError: No module named 'numpy' CMake Error at source_subfolder/cmake/OpenCVFindLibsGrfmt.cmake:225 (add_subdirectory): add_subdirectory given source "/Users/jenkins/w/cci_PR-4270@2/.conan/data/opencv/4.1.2/_/_/build/5571f676b55989dad6e4a46694d5f18fc4177d96/source_subfolder/3rdparty/openexr" which is not an existing directory. Call Stack (most recent call first): source_subfolder/CMakeLists.txt:668 (include) opencv/4.1.2: WARN: Build folder is dirty, removing it: /Users/jenkins/w/cci_PR-4270@2/.conan/data/opencv/4.1.2/_/_/build/5571f676b55989dad6e4a46694d5f18fc4177d96 ERROR: Exiting with code: 5