[3.13] gh-130230: Fix crash in pow() with only Decimal third argument (GH-130237)#130246

serhiy-storchaka merged 2 commits intopython:3.13python/cpython:3.13from

miss-islington:backport-b93b7e5-3.13miss-islington/cpython:backport-b93b7e5-3.13Copy head branch name to clipboard