chore: flake8 it

--HG--
branch : seda21
3 jobs for !36 with topic/seda21/fix_tests in 11 minutes and 54 seconds (queued for 5 seconds)
latest detached
Status Name Job ID Coverage
  Lint
passed check-manifest #443743

00:00:37

passed flake8 #443742

00:00:20

 
  Tests
passed py3 #443744

00:11:15