hatchet-dev / hatchet-python-quickstart Goto Github PK

For everyone running on Docker Desktop 4.27+ and seeing qemu: uncaught target signal 11 (Segmentation fault) - core dumped, check out this issue:

docker/for-mac#7172

Either enable Rosetta or downgrade Docker Desktop to get things up and running.

When using the code fastapi-react for the tutorial, I couldn't run the streaming message part because of the following error:
unhandled errors in a TaskGroup there is no current event loop in thread AnyIO worker thread

After checking the documentation I've discovered that the event_stream_generator function in backend/src/api/main.py should be

async def event_stream_generator(workflowRunId):
    ''' This helper function is a generator that yields events from the Hatchet event stream. '''
    listener = hatchet.client.listener.stream(workflowRunId)
    async for event in listener:
...