opencv/4.1.2: WARN: Build folder is dirty, removing it: C:\J\w\cci_PR-4270@2\.conan\data\opencv\4.1.2\_\_\build\1b606696bd02010ce8468e67a753cd2e3d9ed815
CMake Warning at source_subfolder/cmake/OpenCVDetectPython.cmake:81 (message):
  CMake's 'find_host_package(PythonInterp 2.7)' founds wrong Python version:

  PYTHON_EXECUTABLE=C:/Python36/python.exe

  PYTHON_VERSION_STRING=3.6.7

  Consider specify '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:582 (include)


Traceback (most recent call last):
  File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'numpy'
CMake Error at source_subfolder/cmake/OpenCVFindLibsGrfmt.cmake:225 (add_subdirectory):
  add_subdirectory given source
  "C:/J/w/cci_PR-4270@2/.conan/data/opencv/4.1.2/_/_/build/1b606696bd02010ce8468e67a753cd2e3d9ed815/source_subfolder/3rdparty/openexr"
  which is not an existing directory.
Call Stack (most recent call first):
  source_subfolder/CMakeLists.txt:668 (include)