def __init__(self, home_coordinates, filter_radius=None, filter_minimum_magnitude=None):
    'Initialise this service.'
    super().__init__(home_coordinates, URL, filter_radius=filter_radius)
    self._filter_minimum_magnitude = filter_minimum_magnitude
Initialise this service.
def __init__(self, home_coordinates, filter_radius=None, filter_minimum_magnitude=None):
    
    super().__init__(home_coordinates, URL, filter_radius=filter_radius)
    self._filter_minimum_magnitude = filter_minimum_magnitude