def positionReceived(latitude, longitude):
        """
        Method called when a position is received.

        @param latitude: The latitude of the received position.
        @type latitude: L{twisted.positioning.base.Coordinate}
        @param longitude: The longitude of the received position.
        @type longitude: L{twisted.positioning.base.Coordinate}
        """

        Method called when a position is received.

        @param latitude: The latitude of the received position.
        @type latitude: L{twisted.positioning.base.Coordinate}
        @param longitude: The longitude of the received position.
        @type longitude: L{twisted.positioning.base.Coordinate}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/positioning/ipositioning.py