From a76f9f678ac616f26bae6cb01a053cd88f93f964 Mon Sep 17 00:00:00 2001
From: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Date: Fri, 10 Apr 2026 18:33:11 +0300
Subject: [PATCH] [3.14] Fix mixed line endings with pre-commit (GH-148336)
 (cherry picked from commit fc5df4d7236516d11ee949e99e4c08362e3f908d)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Zachary Ware <zachary.ware@gmail.com>
---
 .pre-commit-config.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1d09596671ad19..eaa3986bf6a090 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -77,6 +77,9 @@ repos:
         exclude: Lib/test/tokenizedata/coding20731.py
       - id: end-of-file-fixer
         files: '^\.github/CODEOWNERS$'
+      - id: mixed-line-ending
+        args: [--fix=auto]
+        exclude: '^Lib/test/.*data/'
       - id: trailing-whitespace
         types_or: [c, inc, python, rst, yaml]
       - id: trailing-whitespace