Setup script unable to create “virtual environments”

[stephane54]

Setup script was unable to create “virtual environments”
/srv/executor/scripts/common_startup.sh

Running directly this command solved the problem:
cd /srv/editor/ virtualenv -p python2.7 '.venv'

Log error file :

Oct 23 12:57:49 vdomtdwrk systemd[1]: Reloading.
Oct 23 12:57:49 vdomtdwrk systemd[1]: Started Galaxy Workflow Editor.
Oct 23 12:57:49 vdomtdwrk run.sh[34338]: Activating virtualenv at .venv
Oct 23 12:57:49 vdomtdwrk run.sh[34338]: ./scripts/common_startup.sh: 119: .: Can't open .venv/bin/activate
Oct 23 12:57:49 vdomtdwrk systemd[1]: editor.service: Main process exited, code=exited, status=1/FAILURE
Oct 23 12:57:49 vdomtdwrk systemd[1]: editor.service: Unit entered failed state.
Oct 23 12:57:49 vdomtdwrk systemd[1]: editor.service: Failed with result 'exit-code'.
Oct 23 12:57:49 vdomtdwrk systemd[1]: editor.service: Service hold-off time over, scheduling restart.
Oct 23 12:57:49 vdomtdwrk systemd[1]: Stopped Galaxy Workflow Editor.
Oct 23 12:57:49 vdomtdwrk ansible-systemd: Invoked with no_block=False force=None name=executor enabled=True daemon_reload=False state=started masked=None scope=None user=None
Oct 23 12:57:49 vdomtdwrk systemd[1]: Started Galaxy Workflow Editor.
Oct 23 12:57:49 vdomtdwrk run.sh[34374]: Activating virtualenv at .venv
Oct 23 12:57:49 vdomtdwrk run.sh[34374]: ./scripts/common_startup.sh: 119: .: Can't open .venv/bi/activate
Oct 23 12:57:49 vdomtdwrk systemd[1]: editor.service: Main process exited, code=exited, status=1/FAILURE
Oct 23 12:57:49 vdomtdwrk systemd[1]: editor.service: Unit entered failed state.
Oct 23 12:57:49 vdomtdwrk systemd[1]: editor.service: Failed with result 'exit-code'.
Oct 23 12:57:49 vdomtdwrk systemd[1]: Started Galaxy Workflow Executor.
Oct 23 12:57:49 vdomtdwrk run.sh[34385]: Activating virtualenv at .venv
Oct 23 12:57:49 vdomtdwrk run.sh[34385]: ./scripts/common_startup.sh: 119: .: Can't open .venv/bin/activate
Oct 23 12:57:49 vdomtdwrk systemd[1]: executor.service: Main process exited, code=exited, status=1/FAILURE
Oct 23 12:57:49 vdomtdwrk systemd[1]: executor.service: Unit entered failed state.
Oct 23 12:57:49 vdomtdwrk systemd[1]: executor.service: Failed with result 'exit-code'.