[3.13] gh-71253: Match _io exception in _pyio (gh-133985) (gh-134431)

Test was only testing _io, expanded to cover _pyio.

(cherry picked from commit 06eaf4055c1d7359e129efb65b94f34d2ec51a57)

Co-authored-by: Cody Maloney <cmaloney@users.noreply.github.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>