[3.12] [3.13] GH-125789: fix fut._callbacks to always return a copy of callbacks (GH-125922) (GH-125976) - #125977

[3.12] [3.13] GH-125789: fix fut._callbacks to always return a copy of callbacks (GH-125922) (GH-125976)#125977

kumaraditya303 merged 1 commit into

python:3.12python/cpython:3.12from

miss-islington:backport-f54e1a2-3.12miss-islington/cpython:backport-f54e1a2-3.12Copy head branch name to clipboard