text: from djitellopy import Tello
  import cv2
  
  tello = Tello()
  
  tello.connect()
  
  tello.streamon()
  
  # tello video
  while True:
      # tello.takeoff()
      frame_read = tello.get_frame_read()
      cv2.imshow('tello stream',frame_read.frame)
      key = cv2.waitKey(1)
      if key == ord('q'):
          break
  tello.streamoff()
  # tello.land()
  pass