various tweaks, improve coverage

3 jobs for static_restructure in 3 minutes and 54 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build Docker
passed #558955
build_docker_from_cache

00:00:15

 
  Test
passed #558956
test_python2_with_coverage

00:03:39

79.0%
failed #558957
test_python3

00:02:26

 
Name Stage Failure
failed
test_python3 Test
No job log