Get list of all stored chat's and user's

        :return: list of tuples where first element is chat id and second is user id

async def get_states_list(self) -> typing.List[typing.Tuple[int, int]]:
        """
        Get list of all stored chat's and user's

        :return: list of tuples where first element is chat id and second is user id
        """
        async with self.connection() as conn:
            result = []

            items = (await r.table(self._table).run(conn)).items

            for item in items:
                chat = int(item.pop('id'))
                for key in item.keys():
                    user = int(key)
                    result.append((chat, user))

        return result