Gets data from url as bytes

        Returns content under the provided url as bytes
        ie. for binary data

        Args:
            **url**: address of the wanted data

            .. versionadded:: 0.3.2
                **additional_headers**: (optional) Additional headers
                to be used with request

        Returns:
            bytes

def get_raw_data(self, url, *args, **kwargs):
        """Gets data from url as bytes

        Returns content under the provided url as bytes
        ie. for binary data

        Args:
            **url**: address of the wanted data

            .. versionadded:: 0.3.2
                **additional_headers**: (optional) Additional headers
                to be used with request

        Returns:
            bytes

        """
        res = self._conn.get(url, headers=self._prepare_headers(**kwargs))
        if res.status_code == 200:
            return res.content
        else:
            return None