Demid
07/24/2025, 8:41 AMException: 'coroutine' object has no attribute 'with_options'
Marvin
07/24/2025, 8:41 AMMarvin
07/24/2025, 8:42 AMwith_options
directly on an async function instead of a Prefect task object. Here's how to correctly use with_options
with async tasks:
python
from prefect import task, flow
# First, create the task using the @task decorator
@task
async def my_async_task(x):
# Your async task logic here
return x * 2
# Now you can use with_options on the task object
modified_task = my_async_task.with_options(
name="custom_name",
retries=3,
tags=["async", "example"]
)
@flow
async def my_flow():
# Use the modified task
result = await modified_task(5)
return result
The key points to remember are:
1. Always use the @task
decorator on your async function first
2. Apply with_options
to the decorated task object (not directly to the async function)
3. The task object created by @task
has the with_options
method available
Common options you can set with with_options
include:
- `name`: Custom name for the task
- `tags`: List of tags
- `retries`: Number of retry attempts
- `retry_delay_seconds`: Delay between retries
- `cache_key_fn`: Function to generate cache keys
- `cache_expiration`: How long to cache results
If you're still getting the error, make sure you're not trying to use with_options
on:
- A raw async function without the @task
decorator
- The result of awaiting a task (which would be a coroutine)
Would you like to share your current code so I can help identify exactly where the issue might be?