Fix lint error after merging #30733

Because there was a merge conflict merging legacy/trac#30733 (moved) after merging legacy/trac#30727 (moved), we accepted changes from both, but a new line is missing and flake8 complains (https://travis-ci.org/juga0/sbws/jobs/648108391#L2024)

changed milestone to %sbws: 1.1.x-final in legacy/trac

Trac:
Parent Ticket: legacy/trac#33121 (moved)

added component::core tor/sbws in Legacy / Trac milestone::sbws: 1.1.x-final in Legacy / Trac parent::33121 in Legacy / Trac priority::medium in Legacy / Trac resolution::fixed in Legacy / Trac reviewer::ahf in Legacy / Trac sbws-roadmap in Legacy / Trac severity::normal in Legacy / Trac status::closed in Legacy / Trac type::defect in Legacy / Trac version::sbws 1.1.0 in Legacy / Trac labels

https://github.com/torproject/sbws/pull/368

Trac:
Status: new to needs_review
Reviewer: N/A to ahf

Looks good.

Trac:
Status: needs_review to merge_ready

The branch in my PR was not based on maint-1.1, so i cherry-picked the commit in maint-1.1, then merge maint-1.1 in master.

Trac:
Status: merge_ready to closed
Resolution: N/A to fixed

closed

mentioned in issue legacy/trac#33121 (moved)

moved from legacy/trac#33199 (moved)

added Bug label and removed 1 deleted label

removed 1 deleted label