[issue34164] base64.b32decode() leads into UnboundLocalError and OverflowError on some data

[Serhiy Storchaka]

Change by Serhiy Storchaka <storchaka+cpython at gmail.com>:


----------
pull_requests: +7961

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34164>
_______________________________________