gh-149046: fix: correctly handle `str` subclasses in `io.StringIO` (#149047)
T
Thomas Kowalski committed
c98773633c97463e35eb51fac81d1095e8061fe0
Parent: 46b5e3e
Committed by GitHub <noreply@github.com>
on 6/1/2026, 1:01:57 PM