Answers for "cv2.error: opencv(3.4.14) /private/var/folders/24/8k48jl6d249_n_qfxwsl6xvm0000gn/t/pip-req-build-5s96ef4x/opencv/modules/imgproc/src/shapedescr.cpp:315: error: (-215:asse"

Whatever

cv2.error: OpenCV(4.5.3) C:UsersrunneradminAppDataLocalTemppip-req-build-q3d_8t8eopencvmodulesimgprocsrccolor.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'

Try Giving Full Path. 
This seems to be the path issue in windows. 
I changed it to a full path like this and it worked.

filename = "D:SandboxGithubopencv-projectResourcesPhotoscats.jpg"

Posted by: Guest on July-29-2021