This will return the sub_base_uri parsed from the base_uri
        :return: str of the sub_base_uri

def sub_base_uri(self):
        """ This will return the sub_base_uri parsed from the base_uri
        :return: str of the sub_base_uri
        """
        return self._base_uri and \
               self._base_uri.split('://')[-1].split('.')[0] \
               or self._base_uri