prompt-toolkit / prompt-toolkit/python-prompt-toolkit
Python3.12 event loop deprecation warnings
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Description
When migrating to python3.12 I started encountering the following error:
/opt/homebrew/lib/python3.12/site-packages/prompt_toolkit/application/application.py:961: DeprecationWarning: There is no current event loop
loop = asyncio.get_event_loop()
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by inspecting prompt_toolkit/application/application.py at line 961 and reproducing the warning with Python 3.12. Trace the event-loop lookup there and verify that the reported DeprecationWarning no longer appears while the application still starts correctly.
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Assessment
- Tech stack
- python
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100