Make the API call and return the response. This is separated into
           it's own function, so we can mock it easily for testing.

        :param opener:
        :type opener:
        :param request: url payload to request
        :type request: urllib.Request object
        :param timeout: timeout value or None
        :type timeout: float
        :return: urllib response

def _make_request(self, opener, request, timeout=None):
        """Make the API call and return the response. This is separated into
           it's own function, so we can mock it easily for testing.

        :param opener:
        :type opener:
        :param request: url payload to request
        :type request: urllib.Request object
        :param timeout: timeout value or None
        :type timeout: float
        :return: urllib response
        """
        timeout = timeout or self.timeout
        try:
            return opener.open(request, timeout=timeout)
        except HTTPError as err:
            exc = handle_error(err)
            exc.__cause__ = None
            raise exc