video capture window is not working

[krshashank963]

I tried this code in latest version of spyder everything was good untill video capture window open.
i tried other testing code for camera permission it worked but with this code only a blank window opened

[trygvea]

Do you get any error messages?

[krshashank963]

yes this is error message and after thet camera get on means its led is on

flags = cv2.CASCADE_SCALE_IMAGE)

error: OpenCV(4.2.0) C:\projects\opencv-python\opencv\modules\objdetect\src\cascadedetect.cpp:1689: error: (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::detectMultiScale'

I put all the cv lib in perfect directory