EnvironmentFile=/etc/sysconfig/nodemanager
Type=forking
PIDFile=/var/run/nodemanager.pid
-ExecStart=/usr/bin/env python /usr/share/NodeManager/nodemanager.py -d $OPTIONS
+ExecStart=/usr/bin/env python3 /usr/share/NodeManager/nodemanager.py -d $OPTIONS
[Install]
WantedBy=multi-user.target