Improve invoice call template

1 job for master in 17 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Test
failed test #257

00:00:17

 
Name Stage Failure
failed
test Test There is an unknown failure, please try again
Running on runner-499153c3-project-25-concurrent-0 via ae-dev...
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HEAD is now at 51f342a Add invoices calls
From https://ae-dev.utbm.fr/ae/Sith
51f342a..ca3b7fd master -> origin/master
Checking out ca3b7fda as master...
$ cp sith/settings_sample.py sith/settings.py
cp: cannot stat ‘sith/settings_sample.py’: No such file or directory
ERROR: Build failed: exit code 1