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(parent: 55e3f2c) | patch
guard against KeyError on subclass removal
authorMike Bayer <mike_mp@zzzcomputing.com>
Fri, 3 Jan 2025 17:19:27 +0000 (12:19 -0500)
committerMike Bayer <mike_mp@zzzcomputing.com>
Fri, 3 Jan 2025 17:19:27 +0000 (12:19 -0500)
commite4f0afe06baa5d9b57d5b8cfe2647b943f2145e6
treeb29661e7ceceb3ac53b728a227a35d03e34eef10tree | snapshot
parent55e3f2c47d2787a38ecea6e3a022e94bbbabf453commit | diff
guard against KeyError on subclass removal

Fixed issue in event system which prevented an event listener from being
attached and detached from multiple class-like objects, namely the
:class:`.sessionmaker` or :class:`.scoped_session` targets that assign to
:class:`.Session` subclasses.

Fixes: #12216
Change-Id: I3d8969fe604adbc23add07a13741938c7f4fc8ca
doc/build/changelog/unreleased_20/12216.rst [new file with mode: 0644] blob
lib/sqlalchemy/event/registry.py diff | blob | blame | history
test/base/test_events.py diff | blob | blame | history
Mirror of https://github.com/sqlalchemy/sqlalchemy.git