Remove nested exception for stats and added property on AnonymusUser

1 job for sli in 7 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
failed #241
test

00:00:07

 
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 f7722ed Fixed permissions on stats
From https://ae-dev.utbm.fr/ae/Sith
f7722ed..3c40855 sli -> origin/sli
Checking out 3c408551 as sli...
$ 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