[3.13] gh-145492: Fix defaultdict repr infinite recursion (GH-145659) (GH-145746)

(cherry picked from commit 2d35f9bc1cf61b27639ed992dfbf363ab436fd8b)

Includes test fix-up from GH-145788
(cherry picked from commit aa4240ebea1aacc907b1efa58e7f547d90cff3b1)

Co-authored-by: Thomas Kowalski <thom.kowa@gmail.com>
Co-authored-by: Matt Van Horn <mvanhorn@users.noreply.github.com>

Miss Islington (bot) committed 2mo ago

cef423cbe20dab5af89f4cbcfc9abda3cd5ba9f5

Parent: 881cc06

Committed by GitHub <noreply@github.com> on 3/12/2026, 9:45:43 AM

[3.13] gh-145492: Fix defaultdict __repr__ infinite recursion (GH-145659) (GH-145746)

[3.13] gh-145492: Fix defaultdict repr infinite recursion (GH-145659) (GH-145746)