from imutils.video import VideoStream import cv2 # grab the reference to the webcam vs = VideoStream(src=0).start() # keep looping while True: # grab the current frame frame = vs.read() # if we are viewing a video and we did not grab a frame, # then we have reached the end of the video if frame is None: break # show the frame to our screen cv2.imshow("Frame", frame) key = cv2.waitKey(1) & 0xFF # if the 'q' or ESC key is pressed, stop the loop if key == ord("q") or key == 27: break # close all windows cv2.destroyAllWindows()