code: def stop(self):
      # indicate that the thread should be stopped
      self.stopped = True
      # wait until stream resources are released (producer thread might be still grabbing frame)
      self.thread.join()
  
file_path: imutils/imutils/video/filevideostream.py
imports: from threading import Thread
  import sys
  import cv2
  import time
label_desc: Use image node_id 7 for calling the FileVideoStream obj's underlying member method code with example usage: obj.stop() without return types