AttributeError: 'NoneType' object has no attribute 'copy'

[ayiyou1]

❔Question

E:\Anaconda\envs\ism_person_openpose\python.exe F:\ism_person_openpose-master\runOpenpose.py
[ WARN:0@0.979] global D:\a\opencv-python\opencv-python\opencv\modules\imgcodecs\src\loadsave.cpp (239) cv::findDecoder imread_('F:\ism_person_openpose\pics'): can't open/read file: check file path/integrity
Traceback (most recent call last):
File "F:\ism_person_openpose-master\runOpenpose.py", line 248, in
detect_main()
File "F:\ism_person_openpose-master\runOpenpose.py", line 244, in detect_main
run_demo(net, action_net, frame_provider, args.height_size, True, [])
File "F:\ism_person_openpose-master\runOpenpose.py", line 125, in run_demo
orig_img = img.copy() # copy 一份
AttributeError: 'NoneType' object has no attribute 'copy'

Additional context

下载完了包，修改文件地址，运行runopenpose出现这个错误，请问是怎么回事啊？求解答

[github-actions]

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