Describe your environment Describe any aspect of your environment relevant to the problem, including your Python version, platform, version numbers of installed dependencies, information about your cloud hosting provider, etc. If you're reporting a problem with a specific version of a library in this repo, please check whether the problem has been fixed on main.

• python 3.9.9
• celery 5.3.4 and celery 4.4.2

Steps to reproduce
Describe exactly how to reproduce the error. Include a code sample if applicable.

1. create file tasks.py

   from celery import Celery
   
   app = Celery('tasks', broker='pyamqp://guest@localhost//')
   
   @app.task(soft_time_limit=42)
   def add(x, y):
       return x + y

2. start broker:

   OTEL_METRICS_EXPORTER=none OTEL_TRACES_EXPORTER=console opentelemetry-instrument celery -A tasks worker --loglevel=INFO

3. run a task:

   $ python
   Python 3.9.9 (main, Apr 13 2022, 11:57:59) 
   [Clang 13.0.0 (clang-1300.0.29.30)] on darwin
   Type "help", "copyright", "credits" or "license" for more information.
   >>> from tasks import add
   >>> from datetime import datetime
   >>> add.apply_async(('',''), eta=datetime.utcnow())
   <AsyncResult: c4a1673d-a09a-4462-9238-fb6199d0ace1>
   >>> 
   

4. observe warning

[2023-10-26 17:45:57,289: WARNING/ForkPoolWorker-8] Attribute 'celery.timelimit' mixes types str and int in attribute value sequence

What is the expected behavior?
What did you expect to see?

To not see a warning

What is the actual behavior?
What did you see instead?

I am observing a warning "Attribute 'celery.timelimit' mixes types str and int in attribute value sequence" from OTEL when setting soft_timie_limit

I am observing a warning "Attribute 'celery.timelimit' mixes types int and str in attribute value sequence" from OTEL when setting time_limit

Additional context
Add any other context about the problem here.

I have debugged and logged some values from