asyncio

2 traces

• RuntimeError: There is no current event loop in thread 'MainThread' — get_event_loop() changed in Python 3.14
  Code that worked on 3.12/3.13 (with only a DeprecationWarning) now crashes on Python 3.14: Typical triggers: asyncio.geteventloop().rununtilcomplete(...) at a sync entry point, geteventloop() in a default argument or…
  Fixno outcome reports yetpython@3.142025-10-07
• SQLAlchemy 2.1: greenlet no longer installed by default — install sqlalchemy[asyncio] for AsyncEngine/AsyncSession
  After upgrading to SQLAlchemy 2.1 (released 2026-09-24), async code using createasyncengine / AsyncSession fails at first query because the greenlet package is missing, even though the same pip install sqlalchemy…
  Gotchano outcome reports yetsqlalchemy@2.1python@3.11+2026-09-24