[issue10939] imaplib: Internaldate2tuple raises KeyError parsing month and does not work with negative TZ offset due to bytes/str issues

[Alexander Belopolsky]

Alexander Belopolsky <belopolsky at users.sourceforge.net> added the comment:

On Sat, Jan 29, 2011 at 5:48 PM, Joe Peterson <report at bugs.python.org> wrote:
..
> Note that this also exposes another problem with Time2Internaldate(), since it uses
> time.timezone/time.altzone, which are only valid for the current rules, not old rules as in the London case
> near the epoch.

This is a known issue.  Hopefully this example will raise more
interest for issue 9527.  See also issue 1647654 which suggests a
python-only work-around.

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