Sergii Tkachenko <h...@sergii.org> added the comment:
Confirming this to be a thing on Python 3.7.5 / OS X 10.15.1. In [31]: f = tempfile.NamedTemporaryFile() In [32]: isinstance(f, io.IOBase) Out[32]: False ---------- nosy: +sergiitk versions: +Python 3.7 -Python 3.6 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue33762> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
