default.py: fix type checking

3 jobs for feature-s/2726-faire-un-compare-sur-un-seul-sample in 6 minutes and 46 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test Tools
passed #253122
test_tools

00:00:06

 
  Test Unit
passed #253123
web
test_server_unit

00:00:15

 
  Test Functional
passed #253124
docker x86_64
test_server_functional

00:06:25