def describe_schema_versions(self):
        return self._conn.describe_schema_versions()
This function will take all webassets.* parameters, and
dataset/ETHPy150Open pycassa/pycassa/pycassa/system_manager.py/SystemManager.describe_schema_versions--crossover with--dataset/ETHPy150Open sontek/pyramid_webassets/pyramid_webassets/__init__.py/get_webassets_env_from_settings