class Solar:

    def __init__(self, station_id=None, date=None, interval=None, name=None,
        value=None, unit=None, information=None):
        super().__init__()
        self.station_id = station_id
        self.date = date
        self.interval = interval
        self.name = name
        self.value = value
        self.unit = unit
        self.information = information

    def __str__(self):
        return '{0}, {1}'.format(self.station_id, self.measurement_date)

e12f2a1edce704d22b24bb07f06df0c81f31090e
<mask token>

class Solar:
    <mask token>
    <mask token>

class Solar:
    <mask token>

    def __str__(self):
        return '{0}, {1}'.format(self.station_id, self.measurement_date)

class Solar:

    def __init__(self, station_id=None, date=None, interval=None, name=None,
        value=None, unit=None, information=None):
        super().__init__()
        self.station_id = station_id
        self.date = date
        self.interval = interval
        self.name = name
        self.value = value
        self.unit = unit
        self.information = information

    def __str__(self):
        return '{0}, {1}'.format(self.station_id, self.measurement_date)
