Unable to run tasks on my django app

[Oseni03]

Checklist

• I have verified that the issue exists against the main branch of Celery.
• This has already been asked to the discussions forum first.
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  contribution guide
  on reporting bugs.
• I have checked the issues list
  for similar or identical bug reports.
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  for existing proposed fixes.
• I have checked the commit log
  to find out if the bug was already fixed in the main branch.
• I have included all related issues and possible duplicate issues
  in this issue (If there are none, check this box anyway).
• I have tried to reproduce the issue with pytest-celery and added the reproduction script below.

Mandatory Debugging Information

• I have included the output of celery -A proj report in the issue.
  (if you are not able to do this, then at least specify the Celery
  version affected).
• I have verified that the issue exists against the main branch of Celery.
• I have included the contents of pip freeze in the issue.
• I have included all the versions of all the external dependencies required
  to reproduce this bug.

Optional Debugging Information

• I have tried reproducing the issue on more than one Python version
  and/or implementation.
• I have tried reproducing the issue on more than one message broker and/or
  result backend.
• I have tried reproducing the issue on more than one version of the message
  broker and/or result backend.
• I have tried reproducing the issue on more than one operating system.
• I have tried reproducing the issue on more than one workers pool.
• I have tried reproducing the issue with autoscaling, retries,
  ETA/Countdown & rate limits disabled.
• I have tried reproducing the issue after downgrading
  and/or upgrading Celery and its dependencies.

Related Issues and Possible Duplicates

Related Issues

• None

Possible Duplicates

• None

Environment & Settings

Celery version:

celery report Output:

Steps to Reproduce

Required Dependencies

• Minimal Python Version: N/A or Unknown
• Minimal Celery Version: N/A or Unknown
• Minimal Kombu Version: N/A or Unknown
• Minimal Broker Version: N/A or Unknown
• Minimal Result Backend Version: N/A or Unknown
• Minimal OS and/or Kernel Version: N/A or Unknown
• Minimal Broker Client Version: N/A or Unknown
• Minimal Result Backend Client Version: N/A or Unknown

Python Packages

pip freeze Output:

Other Dependencies

N/A

Minimally Reproducible Test Case

Expected Behavior

Actual Behavior

tasks.py:

def add(a, b):
    return a + b


@shared_task
def agent_response(agent_id, channel, thread_ts, bot_token, query, user_id=None):
    try:
        logger.info("Creating agent")
        agent = Agent.objects.get(id=agent_id)
        agent_executor = get_agent(agent.integration, agent.credentials)
        
        response = agent_executor.invoke({"input": query})

        logger.info(response)

        output_text = response[
            "output"
        ]  # Adjust according to your actual response structure

        if user_id:
            output_text = f"<@{user_id}> {output_text}"

        if agent.integration == ThirdParty.SLACK:
            # Update the initial message with the response and use mrkdown block section to return the response in Slack markdown format
            # client.chat_update(
            client = WebClient(token=bot_token)
            client.chat_postMessage(
                channel=channel,
                ts=thread_ts,
                text=output_text,
                blocks=[
                    {"type": "section", "text": {"type": "mrkdwn", "text": output_text}}
                ],
            )
        logger.info("Message send successfully")
        return response
    except Exception as e:
        raise e

Views.py:

    """Token Lookup"""

    permission_classes = [permissions.AllowAny]

    def post(self, request: HttpRequest, **kwargs):
        # Verify incoming requests from Slack
        # https://api.slack.com/authentication/verifying-requests-from-slack
        if not signature_verifier.is_valid(
            body=request.body,
            timestamp=request.headers.get("X-Slack-Request-Timestamp"),
            signature=request.headers.get("X-Slack-Signature"),
        ):
            return Response("invalid request", status=status.HTTP_400_BAD_REQUEST)

        data = request.data

        data_type = data.get("type")
        allowed_data_types = [
            "url_verification",
            "event_callback"
        ]

        if data_type not in allowed_data_types:
            return Response("Not Allowed", status=status.HTTP_400_BAD_REQUEST)

        if data_type == "url_verification":
            challenge = data.get("challenge")
            return Response({"challenge": challenge}, status=status.HTTP_200_OK)

        elif data_type == "event_callback":
            event = data.get("event") or {}

            # print(event)

            # in the case where this app gets a request from an Enterprise Grid workspace
            # enterprise_id = data.get("enterprise_id")
            # The workspace's ID
            team_id = data.get("team_id")
            user_id = event.get("user")
            query = event.get("text")
            channel = event.get("channel")
            thread_ts = event.get("ts")

            # Lookup the stored bot token for this workspace
            try:
                bot = Bot.objects.get(
                    user_id=user_id,
                    team_id=team_id,
                )
            except:
                return Response(status=status.HTTP_200_OK)

            agent = bot.agent
            bot_token = bot.access_token
            if not bot_token:
                # The app may be uninstalled or be used in a shared channel
                return Response(
                    "Please install this app first!", status=status.HTTP_200_OK
                )
            
            add.delay(1,2)

            client = WebClient(token=bot_token)
            bot_id = client.api_call("auth.test")["user_id"]

            if event.get("type") == "app_mention":
                blocks = event.get("blocks") or []
                elements = blocks[0].get("elements") or []
                user_id = elements[0].get("user_id")
                query = elements[1].get("text")
            else:
                user_id = event.get("user")
                query = event.get("text")

            # Ignore bot's own message
            if user_id == bot_id:
                return Response(status=status.HTTP_200_OK)

            # Post an initial message
            # result = client.chat_postMessage(
            #     channel=channel, text=":mag: Searching...", thread_ts=thread_ts
            # )
            # thread_ts = result.get("ts")

            print("About to run task")
            print(f"""agent_id: {agent.id}
                    channel: {channel}
                    bot_token: {bot_token}
                    query: {query}
                    thread_ts: {thread_ts}""")
            # send_agent_response.delay(agent.id, channel, thread_ts, bot_token, query)
            agent_response.apply_async(kwargs={
                "agent_id": agent.id,
                "channel": channel,
                "thread_ts": thread_ts,
                "bot_token": bot_token,
                "query": query,
                "user_id": user_id,
            })

            return Response(status=status.HTTP_200_OK)
        return Response({"message": "No event"}, status=status.HTTP_200_OK)

Response:

[2024-05-14 18:35:56,879: INFO/MainProcess] Task integrations.tasks.agent_response[fd345480-2440-4d37-b9a1-4d5a77195e4c] received
[2024-05-14 18:35:56,913: ERROR/MainProcess] Task handler raised error: ValueError('not enough values to unpack (expected 3, got 0)')
billiard.einfo.RemoteTraceback:
"""
Traceback (most recent call last):
  File "C:\Users\USER\anaconda3\envs\boilerplate\Lib\site-packages\billiard\pool.py", line 361, in workloop
    tasks, accept, hostname = _loc
    ^^^^^^^^^^^^^^^^^^^^^^^
ValueError: not enough values to unpack (expected 3, got 0)
"""

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\USER\anaconda3\envs\boilerplate\Lib\site-packages\billiard\pool.py", line 361, in workloop
    result = (True, prepare_result(fun(*args, **kwargs)))
                                   ^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\USER\anaconda3\envs\boilerplate\Lib\site-packages\celery\app\trace.py", line 664, in fast_trace_task
    tasks, accept, hostname = _loc
    ^^^^^^^^^^^^^^^^^^^^^^^
ValueError: not enough values to unpack (expected 3, got 0)