gh-125522: remove bare except usage in Lib/_pyio.py#138625

Lee-W wants to merge 2 commits into

python:mainpython/cpython:mainfrom

Lee-W:gh-59518-get-rid-of-bare-except-for-_pyioLee-W/cpython:gh-59518-get-rid-of-bare-except-for-_pyioCopy head branch name to clipboard