executor/SergentHartman: fix object has no attribute 'reset'
This is a follow-up of ea7f6288
Fixes: https://gitlab.freedesktop.org/mupuf/valve-infra/-/issues/137
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
This is a follow-up of ea7f6288
Fixes: https://gitlab.freedesktop.org/mupuf/valve-infra/-/issues/137