Update or Insert a new document

        :param str _id: The document id
        :param dict dct: The dictionary to set on the document
        :param str attribute: The attribute to query for to find the object to set this data on
        :returns: JSON Mongo client response including the "n" key to show number of objects effected

def upsert(self, _id, dct, attribute="_id"):
        """Update or Insert a new document

        :param str _id: The document id
        :param dict dct: The dictionary to set on the document
        :param str attribute: The attribute to query for to find the object to set this data on
        :returns: JSON Mongo client response including the "n" key to show number of objects effected
        """

        mongo_response = yield self.update(_id, dct, upsert=True, attribute=attribute)

        raise Return(mongo_response)