keep stdmodel consistent

3 jobs for mo-return-nothing in 10 minutes and 1 second (queued for 3 seconds)
Status Name Job ID Coverage
  Test
passed docker:julia1.6 #319161

00:08:38

passed format #319162
privileged

00:01:51

 
  Documentation
passed doc-tests-pr:julia1.6 #319163

00:01:23