Django RuntimeError: Event loop is closed with OpenAI

[RicardoRobledo]

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Example Code

@classmethod
async def create_completion_message(cls, history):

    response = await cls.__client.chat.completions.create(
        model='gpt-4o-mini',
        messages=[
           *history,
        ]
    )

Description

raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed

raise APIConnectionError(request=request) from err
openai.APIConnectionError: Connection error.

System Info

asgiref==3.8.1
Django==5.1.1
gunicorn==23.0.0
packaging==24.1
python-decouple==3.8
sqlparse==0.5.1
tzdata==2024.2
whitenoise==6.7.0

[dosubot[bot]]

The "Event loop is closed" error in Django applications often occurs due to improper management of asynchronous tasks and event loops. Here are some potential causes and solutions:

1. Improper Event Loop Management:
   Ensure that the event loop is properly managed and not closed prematurely. This can happen if the event loop is closed before all asynchronous tasks are completed.

2. Using asyncio.run in a Running Event Loop:
   Avoid using asyncio.run within an already running event loop. Instead, use await to run coroutines.

3. Gunicorn Configuration:
   If you are using Gunicorn, ensure it is configured to handle asynchronous workers properly. You might need to use an asynchronous worker class like uvicorn.workers.UvicornWorker.

4. Django and ASGI Compatibility:
   Ensure that your Django application is properly configured to run with ASGI, which supports asynchronous operations. Use daphne or uvicorn as the ASGI server.

Here is an example of how you might configure Gunicorn with Uvicorn:

gunicorn myproject.asgi:application -k uvicorn.workers.UvicornWorker

5. Check for Asynchronous Interference:
   Ensure that other asynchronous functions or tasks in your codebase are not interfering with the event loop. LangChain has several asynchronous functions and tasks that might interfere with the event loop ^[1][2][3].

By addressing these potential issues, you can mitigate the "Event loop is closed" error in your Django application.

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