[3.10] gh-109638: Fix exponential time in csv.Sniffer for doubled quotes (GH-154868) (GH-155113) - #155116

[3.10] gh-109638: Fix exponential time in csv.Sniffer for doubled quotes (GH-154868) (GH-155113)#155116

miss-islington wants to merge 3 commits into

python:3.10python/cpython:3.10from

miss-islington:backport-eaa9bac-3.10miss-islington/cpython:backport-eaa9bac-3.10Copy head branch name to clipboard