Traceback (most recent call last):
  File "/home/fedora/yocto-autobuilder/bin/buildbot", line 4, in <module>
    import pkg_resources
  File "/home/fedora/yocto-autobuilder/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 2603, in <module>

  File "/home/fedora/yocto-autobuilder/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 666, in require
    error_info[dist] = v    # save error info
  File "/home/fedora/yocto-autobuilder/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 565, in resolve
    ``None``.
pkg_resources.DistributionNotFound: zope.interface
 To start the autobuilder:
 ./yocto-start-autobuilder <slave|master|both>

 To stop the autobuilder:
 ./yocto-stop-autobuilder <slave|master|both>