flumotion-worker crashed with ImportError in load_tail(): No module named 'flumotion.worker.main.main'

streaming .and network .soon the network app will fail to

ProblemType: Crash
CrashCounter: 1
Date: Tue Mar 13 21:02:19 2012
ExecutablePath: /usr/bin/flumotion-worker
ExecutableTimestamp: 1311775938
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python /usr/bin/flumotion-worker -D --daemonize-to /var/cache/flumotion --service-name default /etc/flumotion/workers/default.xml
ProcCwd: /
ProcEnviron:
 LANGUAGE=en_AU:en
 TERM=linux
 LANG=en_AU.UTF-8
 SHELL=/bin/sh
PythonArgs: ['/usr/bin/flumotion-worker', '-D', '--daemonize-to', '/var/cache/flumotion', '--service-name', 'default', '/etc/flumotion/workers/default.xml']
UserGroups: