[3.13] gh-126108: Fix potential null pointer dereference in `PySys_AddWarnOptionUnicode` (GH-126118)#129520

kumaraditya303 merged 1 commit intopython:3.13python/cpython:3.13from

miss-islington:backport-fad36bf-3.13miss-islington/cpython:backport-fad36bf-3.13Copy head branch name to clipboard