cv2.imshow("frame",frame) cv2.error: OpenCV(4.4.0) C:UsersappveyorAppDataLocalTemppip-req-build-wwma2wneopencvmoduleshighguisrcwindow.cpp:376: error: (-215:Assertion failed) size.width>0 code example
Example: cv2.imshow("frame",frame) cv2.error: OpenCV(4.4.0) C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-wwma2wne\opencv\modules\highgui\src\window.cpp:376: error: (-215:Assertion failed) size.width>0
cv2.imshow("frame",frame) cv2.error: OpenCV(4.4.0) C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-wwma2wne\opencv\modules\highgui\src\window.cpp:376: error: (-215:Assertion failed) size.width>0