gh-153291: Fix data race in readline.get_completer() and get_pre_input_hook()#153362

nascheme merged 4 commits into

python:mainpython/cpython:mainfrom

harjothkhara:gh-153291-readline-get-completer-raceharjothkhara/cpython:gh-153291-readline-get-completer-raceCopy head branch name to clipboard