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 "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'numpy'
/home/conan/w/cci_PR-3465/.conan/data/jasper/2.0.16/_/_/package/8f568dac2ad3e0e6643a4f08d763296e7f634f47/lib/libjasper.a(jas_stream.c.o): In function `jas_stream_tmpfile':
jas_stream.c:(.text+0xc53): warning: the use of `tmpnam' is dangerous, better use `mkstemp'
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


/home/conan/w/cci_PR-3465/2/e1d3573f-5b7b-4ed2-9377-d68e153de69d/recipes/opencv/3.x/test_package/test_package.cpp: In function ‘int main(int, const char**)’:
/home/conan/w/cci_PR-3465/2/e1d3573f-5b7b-4ed2-9377-d68e153de69d/recipes/opencv/3.x/test_package/test_package.cpp:18:23: error: ‘class cv::String’ has no member named ‘insert’
     face_cascade_name.insert(0, res_folder);
                       ^~~~~~
/home/conan/w/cci_PR-3465/2/e1d3573f-5b7b-4ed2-9377-d68e153de69d/recipes/opencv/3.x/test_package/test_package.cpp:19:23: error: ‘class cv::String’ has no member named ‘insert’
     eyes_cascade_name.insert(0, res_folder);
                       ^~~~~~
make[2]: *** [CMakeFiles/test_package.dir/test_package.cpp.o] Error 1
make[1]: *** [CMakeFiles/test_package.dir/all] Error 2
make: *** [all] Error 2
ERROR: opencv/3.4.12 (test package): Error in build() method, line 12
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-3465/2/e1d3573f-5b7b-4ed2-9377-d68e153de69d/recipes/opencv/3.x/test_package/build/666813bdca50497f3efed56eab38a276b1256025' '--' '-j3'