def __call__(self):
        return Message(self)
If no user/group permissions on a package, use default_read
dataset/ETHPy150Open eigenein/protobuf/protobuf.py/MessageType.__call__--crossover with--dataset/ETHPy150Open mathcamp/pypicloud/tests/test_access_backends.py/TestBaseBackend.test_has_permission_default_read