[issue33308] parser.st2list(..., col_info=True) triggers a SystemError

[Serhiy Storchaka]

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


----------
pull_requests: +6225

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33308>
_______________________________________