Merge branch 'hotfix/wrong_license_eviction'
Merge branch 'release/1.6.7'
Fix pb whith env in a command

When worker start a command a bunch of paths were added the PYTHONPATH.
It came from sys.path that was prepended to PYTHONPATH in command env.
This is removed from command init.
Merge branch 'hotfix/correct_env_in_command' into develop