text: from typing import Tuple
  
  from gbvision.constants.types import Frame
  from .stream_camera import SimpleStreamCamera
  from gbvision.models.cameras import UNKNOWN_CAMERA
  from .usb_camera import USBCamera
  
  
  class USBStreamCamera(SimpleStreamCamera, USBCamera):
      """
      a simple USB stream camera
      """
  
      def _read(self) -> Tuple[bool, Frame]:
          return USBCamera.read(self)
  
      def __init__(self, broadcaster, port, should_stream=False, data=UNKNOWN_CAMERA):
          SimpleStreamCamera.__init__(self, broadcaster, should_stream=should_stream)
          USBCamera.__init__(self, port, data)
  