[Sqlalchemy-tickets] Issue #4050: issue #3934 regressed the behavior of exception + rollback failed (zzzeek/sqlalchemy)

[Michael B. <iss...@bi...>]

New issue 4050: issue #3934 regressed the behavior of exception + rollback failed
https://bitbucket.org/zzzeek/sqlalchemy/issues/4050/issue-3934-regressed-the-behavior-of

Michael Bayer:

oslo.db test_cause_for_failed_flush_plus_no_savepoint, still working up local behavioral change

due to #3934