traffic/core/flight.py
def flight_id(self) -> Union[str, Set[str], None]:
        """Returns the unique flight_id value(s) of the DataFrame.

        Neither the icao24 (the aircraft) nor the callsign (the route) is a
        reliable way to identify trajectories. You can either use an external
        source of data to assign flight ids (for example DDR files by
        Eurocontrol, identifiers by FlightRadar24, etc.) or assign a flight_id
        by yourself (see ``Flight.assign_id(name: str)`` method).

        The ``Traffic.assign_id()`` method uses a heuristic based on the
        timestamps associated to callsign/icao24 pairs to automatically assign a
        ``flight_id`` and separate flights.

        """
        return self._get_unique("flight_id")
Returns the unique flight_id value(s) of the DataFrame.

        Neither the icao24 (the aircraft) nor the callsign (the route) is a
        reliable way to identify trajectories. You can either use an external
        source of data to assign flight ids (for example DDR files by
        Eurocontrol, identifiers by FlightRadar24, etc.) or assign a flight_id
        by yourself (see ``Flight.assign_id(name: str)`` method).

        The ``Traffic.assign_id()`` method uses a heuristic based on the
        timestamps associated to callsign/icao24 pairs to automatically assign a
        ``flight_id`` and separate flights.

        
Returns the unique flight_id value(s) of the DataFrame.
Neither the icao24 (the aircraft) nor the callsign (the route) is a
reliable way to identify trajectories. You can either use an external
source of data to assign flight ids (for example DDR files by
Eurocontrol, identifiers by FlightRadar24, etc.) or assign a flight_id
by yourself `` method).


Returns the unique flight_id value ( s ) of the DataFrame . Neither the icao24 ( the aircraft ) nor the callsign ( the route ) is a reliable way to identify trajectories . You can either use an external source of data to assign flight ids ( for example DDR files by Eurocontrol identifiers by FlightRadar24 etc . ) or assign a flight_id by yourself ` ` method ) .
def flight_id(self) -> Union[str, Set[str], None]:
        return self._get_unique("flight_id")
def flight_id ( self ) -> Union [ str , Set [ str ] , None ] : return self . _get_unique ( "flight_id" )
Returns the unique flight_id value(s) of the DataFrame.
Returns the unique flight_id value ( s ) of the DataFrame .
"""Returns the unique flight_id value(s) of the DataFrame.

        Neither the icao24 (the aircraft) nor the callsign (the route) is a
        reliable way to identify trajectories. You can either use an external
        source of data to assign flight ids (for example DDR files by
        Eurocontrol, identifiers by FlightRadar24, etc.) or assign a flight_id
        by yourself (see ``Flight.assign_id(name: str)`` method).

        The ``Traffic.assign_id()`` method uses a heuristic based on the
        timestamps associated to callsign/icao24 pairs to automatically assign a
        ``flight_id`` and separate flights.

        """
self