CMake Warning at source_subfolder/cmake/OpenCVDetectPython.cmake:81 (message): CMake's 'find_host_package(PythonInterp 2.7)' found wrong Python version: PYTHON_EXECUTABLE=C:/Python36/python.exe PYTHON_VERSION_STRING=3.6.7 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' opencv/3.4.12: ERROR: Package 'e87f36cf91be0fd0acdd44ee3eb3c3968e1a2d8a' build failed opencv/3.4.12: WARN: Build folder C:\J\w\cci_PR-3465\.conan\data\opencv\3.4.12\_\_\build\e87f36cf91be0fd0acdd44ee3eb3c3968e1a2d8a ERROR: opencv/3.4.12: Error in build() method, line 255 cmake.build() ConanException: Error 4294967295 while executing cmake --build C:\J\w\cci_PR-3465\.conan\data\opencv\3.4.12\_\_\build\e87f36cf91be0fd0acdd44ee3eb3c3968e1a2d8a\build_subfolder --config Release -- /m:1 /verbosity:minimal