class NoArgError(Exception):
    pass


class StationNotFoundError(Exception):
    pass


class ServerCommunicationError(Exception):
    pass


class MultipleStationsFoundError(Exception):
    message_text = ''
    queried_station = ''
    station_list = []

    def __init__(self, message_text, queried_station, station_list):
        self.message_text = message_text
        self.queried_station = queried_station
        self.station_list = station_list