CMake Warning at source_subfolder/cmake/OpenCVDetectPython.cmake:81 (message): CMake's 'find_host_package(PythonInterp 2.7)' found wrong Python version: PYTHON_EXECUTABLE=/opt/pyenv/versions/3.7.5/bin/python PYTHON_VERSION_STRING=3.7.5 Consider providing the 'PYTHON2_EXECUTABLE' variable via CMake command line or environment variables Call Stack (most recent call first): source_subfolder/cmake/OpenCVDetectPython.cmake:271 (find_python) source_subfolder/CMakeLists.txt:606 (include) Traceback (most recent call last): File "", line 1, in ModuleNotFoundError: No module named 'numpy' g++: fatal error: Terminated signal terminated program cc1plus compilation terminated. make[2]: *** [source_subfolder/modules/core/CMakeFiles/opencv_core.dir/matmul.avx512_skx.cpp.o] Error 1 make[1]: *** [source_subfolder/modules/core/CMakeFiles/opencv_core.dir/all] Error 2 make: *** [all] Error 2 opencv/3.4.12: ERROR: Package '5dc7f9724e198d59a06370fae652a9997d263d1f' build failed opencv/3.4.12: WARN: Build folder /home/conan/w/cci_PR-3465/.conan/data/opencv/3.4.12/_/_/build/5dc7f9724e198d59a06370fae652a9997d263d1f ERROR: opencv/3.4.12: Error in build() method, line 191 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-3465/.conan/data/opencv/3.4.12/_/_/build/5dc7f9724e198d59a06370fae652a9997d263d1f/build_subfolder' '--' '-j3' Terminated