def __init__(self, **kwargs):
    super(TimeZone, self).__init__(**kwargs)
    self.primary_city_time = kwargs['primary_city_time']
    self.other_city_times = None
def __init__(self, **kwargs):
    super(TimeZone, self).__init__(**kwargs)
    self.primary_city_time = kwargs['primary_city_time']
    self.other_city_times = None