'Fetch the latest CSV data.'

@classmethod
def current_observations(cls):

    try:
        response = requests.get(cls.API_URL, headers=cls.API_HEADERS, timeout=15)
        response.raise_for_status()
        response.encoding = 'UTF8'
        return csv.DictReader(response.text.splitlines(), delimiter=';', quotechar='"')
    except requests.exceptions.HTTPError:
        _LOGGER.error('While    fetching    data')
