Fixed formatting

patch generated by https://gitlab.cern.ch/lhcb/DaVinci/-/jobs/17901733
4 jobs for !594 with pkoppenb-All in 26 seconds
detached
Status Name Job ID Coverage
  Test
passed check-copyright #17901771

00:00:16

passed check-formatting #17901772

00:00:26

passed python-linting #17901773
cvmfs

00:00:19

 
  .Post
manual update references (for shifters only) #17901774
allowed to fail manual