'Initialize the sensor.'

def __init__(self, name, api_app_id, api_app_key, url):

    self._data = {}
    self._api_app_id = api_app_id
    self._api_app_key = api_app_key
    self._url = (self.TRANSPORT_API_URL_BASE + url)
    self._name = name
    self._state = None
