Override the default base URL value created from the environment
    variable configuration.

    :param str url: The base URL to use when submitting measurements

def set_base_url(url):
    """Override the default base URL value created from the environment
    variable configuration.

    :param str url: The base URL to use when submitting measurements

    """
    global _base_url, _dirty

    LOGGER.debug('Setting base URL to %s', url)
    _base_url = url
    _dirty = True