publish_delete_shadow is not working.

[ghost]

I want to unnamed created device shadow document remove. But, I tried a lot of time, it is not working. Still same.

`

class MqttConnection:
def init(self):
self.connect_device_name = None
self.certification_files = None
self.mqttConnection = None
self.shadow_client = None
self.device_name = None
self.client = None

async def createConnection(self):
    self.event_loop_group = io.EventLoopGroup(1)
    self.host_resolver = io.DefaultHostResolver(self.event_loop_group)
    self.client_bootstrap = io.ClientBootstrap(
        self.event_loop_group, self.host_resolver
    )
    self.end_point = await fromEnv("ENDPOINT")
    self.ecManageId = await fromEnv("ECMANAGEID")
    self.device_name = device_name_create(self.ecManageId)
    self.connect_device_name = self.device_name + "-" + str(uuid4())
    self.certification_files = await find_certification_files(self.ecManageId)
    self.mqttConnection = mqtt_connection_builder.mtls_from_path(
        endpoint=self.end_point,
        cert_filepath=self.certification_files[2],
        pri_key_filepath=self.certification_files[1],
        ca_filepath=self.certification_files[0],
        client_id=self.connect_device_name,
        clean_session=False,
        keep_alive_secs=300,
        client_bootstrap=self.client_bootstrap,
    )

    # mqttConnection creating
    try:
        connected_future = self.mqttConnection.connect()
        connected_future.result()
        await writeLog.info("MQTT Connection successfully established")
    except Exception as e:
        await writeLog.error(f"MQTT Connection failed: {str(e)}")

    # self.shadow_client creating
    try:
        if self.mqttConnection is not None:
            self.shadow_client = iotshadow.IotShadowClient(self.mqttConnection)
    except Exception as e:
        await writeLog.error(f"MQTT Connection failed: {str(e)}")
    `
    
    and then 
    `
    async def shadowDelete(self):
    if self.shadow_client is not None:
        try:
            delete_future = self.shadow_client.publish_delete_shadow(
                request=iotshadow.DeleteShadowRequest(
                    thing_name=self.device_name,
                    client_id=self.connect_device_name,
                ),
                qos=QoS.AT_LEAST_ONCE,
            )
            # Await the future
            delete_future.result()
            await writeLog.info("Shadow Deleted successfully")
        except Exception as e:
            await writeLog.error(f"Failed to delete shadow: {e}")

        # await writeLog.info("Shadow Delete successfully")
    else:
        await writeLog.error(
            "MQTT Connection Shadow Client not established for publishing"
        )
    `
    
    I just read the documentations and some samples, but still not working. how to get it? 
    
    in my projects data is saved in device shadow document too much, Firstly, I just want to remove and then unnamed document create. Help me

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