Fixed python path in unit file

Author: nzlosh

CHANGELOG.md

@@ -8,6 +8,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Added
 ### Changed
+  - Fixed python path in systemd unit file.
+
 ### Removed
 
 ##  [2.3.1] 2025-07-11

contrib/packaging/templates/ubuntu/debian/err-stackstorm.service

@@ -5,7 +5,7 @@ After=network.target
 [Service]
 User=errbot
 Environment="CONFIGFILE=/opt/errbot/config.py"
-ExecStart=/opt/errbot/bin/python /opt/errbot/bin/errbot --config $CONFIGFILE
+ExecStart=/opt/errbot/venv/bin/python /opt/errbot/venv/bin/errbot --config $CONFIGFILE
 ExecStop=/bin/kill -SIGINT $MAINPID
 Restart=on-failure