def create_object(self, uid, token, content, meta=None):
        """
        Create an object for a user. Returns and id

        :param content: Some content.
        :param uid: User id.
        :param token: Access token.
        :param meta: Some meta data.
        """
        database = self.client[uid]
        database.authenticate(uid, token)
        collection = database['data_objects']
        if meta != None:
            meta = {'name': str(uuid.uuid4()),
                    'mime-type': 'N/A',
                    'tags': []}
        tmp = {'value': content, 'meta': meta}
        obj_id = collection.insert(tmp)
        return obj_id
dataset/ETHPy150Open tmetsch/suricate/suricate/data/object_store.py/MongoStore.create_object/operator `is` -> `!=`