The lock refresh in 4c2d59d floated flake8 7.1 -> 7.3 (pyflakes 3.2 -> 3.4),
which added F824. These declarations were for names only read, never assigned,
in the inner scope, so removing them does not change behavior.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>