fix: flake8 problem
fix: flake8 problem

shamangeorge/beets,sampsyo/beets,ibmibmibm/beets,sampsyo/beets,ibmibmibm/beets,jackwilsdon/beets,sampsyo/beets,shamangeorge/beets,jackwilsdon/beets,beetbox/beets,beetbox/beets,ibmibmibm/beets,shamangeorge/beets,jackwilsdon/beets,jackwilsdon/beets,sampsyo/beets,ibmibmibm/beets,beetbox/beets,shamangeorge/beets,beetbox/beets