class MatrixLoop:
    def __init__(self, app):
        self.app = app
        self.client = matrix.AsyncClient(
            app.config.matrix_homeserver_url,
            app.config.matrix_bot_id,
        )
        self.client.add_event_callback(self.on_message, matrix.RoomMessage)

    async def prepare(self):
        await self.client.login(self.app.config.matrix_password)

    async def finish(self):
        await self.client.close()

    async def run(self):
        await self.client.sync_forever(timeout=30000)

    async def on_message(self, room, event):
        print(room, event, file=sys.stderr)

    def upgrade_room(self, room, telegram_nickname):
        event_dict = matrix.event_builders.event_builder.EventBuilder(
            name=telegram_nickname
        ).as_dict()
        client.room_send(
            room_id=room,
            message_type=event_dict["type"],
            content=event_dict["content"],
        )  # предположу что оно так работает
        # https://matrix-nio.readthedocs.io/en/latest/nio.html#module-nio.event_builders.state_events