[root@keikun ~]# easy_install Trac
Searching for Trac
Reading http://pypi.python.org/simple/Trac/
Reading http://trac.edgewall.org/
Reading http://trac.edgewall.org/wiki/TracDownload
Reading http://trac.edgewall.com/
Reading http://projects.edgewall.com/trac
Reading http://projects.edgewall.com/trac/wiki/TracDownload
Best match: Trac 0.12.3
Downloading http://download.edgewall.org/trac/Trac-0.12.3.zip
Processing Trac-0.12.3.zip
Running Trac-0.12.3/setup.py -q bdist_egg --dist-dir /tmp/easy_install-XWyMq8/Trac-0.12.3/egg-dist-tmp-r4khbF
Traceback (most recent call last):
  File "/usr/bin/easy_install", line 9, in <module>
    load_entry_point('distribute==0.6.10', 'console_scripts', 'easy_install')()
  File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 1715, in main
    with_ei_usage(lambda:
  File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 1696, in with_ei_usage
    return f()
  File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 1719, in <lambda>
    distclass=DistributionWithoutHelpCommands, **kw
  File "/usr/lib/python2.6/distutils/core.py", line 152, in setup
    dist.run_commands()
  File "/usr/lib/python2.6/distutils/dist.py", line 975, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python2.6/distutils/dist.py", line 995, in run_command
    cmd_obj.run()
  File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 236, in run
    self.easy_install(spec, not self.no_deps)
  File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 472, in easy_install
    return self.install_item(spec, dist.location, tmpdir, deps)
  File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 502, in install_item
    dists = self.install_eggs(spec, download, tmpdir)
  File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 681, in install_eggs
    return self.build_and_install(setup_script, setup_base)
  File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 958, in build_and_install
    self.run_setup(setup_script, setup_base, args)
  File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 947, in run_setup
    run_setup(setup_script, args)
  File "/usr/lib/python2.6/site-packages/setuptools/sandbox.py", line 29, in run_setup
    lambda: execfile(
  File "/usr/lib/python2.6/site-packages/setuptools/sandbox.py", line 70, in run
    return func()
  File "/usr/lib/python2.6/site-packages/setuptools/sandbox.py", line 31, in <lambda>
    {'__file__':setup_script, '__name__':'__main__'}
  File "setup.py", line 156, in <module>
  File "/usr/lib/python2.6/distutils/core.py", line 113, in setup
    _setup_distribution = dist = klass(attrs)
  File "/usr/lib/python2.6/site-packages/setuptools/dist.py", line 221, in __init__
    self.fetch_build_eggs(attrs.pop('setup_requires'))
  File "/usr/lib/python2.6/site-packages/setuptools/dist.py", line 245, in fetch_build_eggs
    parse_requirements(requires), installer=self.fetch_build_egg
  File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 550, in resolve
    raise VersionConflict(dist,req) # XXX put more info here
pkg_resources.VersionConflict: (Genshi 0.7dev-r1180 (/usr/lib/python2.6/site-packages/Genshi-0.7dev_r1180-py2.6-linux-i686.egg), Requirement.parse('Genshi>=0.6,<0.7dev'))