reformat backend

6 jobs for !89 with feedback_courses in 4 minutes and 55 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Check
passed #498210
docker
check_back

00:00:22

passed #498211
docker
check_front

00:01:43

 
  Test
passed #498212
docker
test_back

00:00:52

93.0%
passed #498213
docker
test_frontend

00:00:49

 
  Lint
passed #498215
docker
eslint

00:00:55

passed #498214
docker
flake8

00:00:12