File "E:\New folder\multi-person-openpose.py", line 166, in
net = cv2.dnn.readNetFromCaffe(protoFile, weightsFile)
cv2.error: OpenCV(4.2.0) C:\projects\opencv-python\opencv\modules\dnn\src\caffe\caffe_io.cpp:1132: error: (-2:Unspecified error) FAILED: fs.is_open(). Can't open "pose/coco/pose_iter_440000.caffemodel" in function 'cv::dnn::ReadProtoFromBinaryFile'

I'm creating a solution (visual studio 2017) to perform Feature Matching. I use Xamarin.forms and then I use the dependent service under android to use the OpenCV Binding.
I do not know how to write the 'OpenCVLoader.InitAsync' tool.
The code seems to work well even without it ...
The code is:

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using 

generation de la doc python pour opencv :
installer beautifulsoup
if(NOT DEFINED HAVE_PYTHON_BS4 AND PYTHON_DEFAULT_EXECUTABLE)
# Documentation post-processing tool requires BuautifulSoup Python package
execute_process(COMMAND "${PYTHON_DEFAULT_EXECUTABLE}" -c "import bs4; from bs4 import BeautifulSoup; print(bs4.version)"
RESULT_VARIABLE _result