code: def read(self):
      # return next frame in the queue
      return self.Q.get()
  
file_path: imutils/imutils/video/filevideostream.py
imports: from threading import Thread
  import sys
  import cv2
  import time
label_desc: Use image node_id 4 for calling the FileVideoStream obj's underlying member method code with example usage: obj.read() and returns: self