Indicates the type of the specified TrackData .
def get_track_type() -> int: ...
track_type = property(get_track_type, None)
This property will be filled after a call to validate_card. If magnetic stripe data was supplied in the track_data field, this property will indicate which type of track was entered. If no track data was entered (ie, the card_number was specified instead) then the track_type will be ttUnknown.
This property is read-only.