$ ./start-fas.py
Traceback (most recent call last):
  File "./start-fas.py", line 3, in ?
    pkg_resources.require("TurboGears")
  File "/usr/lib/python2.4/site-packages/pkg_resources.py", line 626, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python2.4/site-packages/pkg_resources.py", line 528, in resolve
    raise VersionConflict(dist,req) # XXX put more info here
pkg_resources.VersionConflict: (RuleDispatch 0.5a0.dev-r2115 (/usr/lib64/python2.4/site-packages), Requirement.parse('RuleDispatch>=0.5a0.dev-r2303'))