Description of problem:
when running yum-builddep fails with the following error

Traceback (most recent call last):
  File "/usr/bin/yum-builddep", line 23, in ?
    import repomd.mdErrors
ImportError: No module named repomd.mdErrors

Version-Release number of selected component (if applicable):
yum-utils-0.6-5.fc6

How reproducible:
Always

Steps to Reproduce:
1. run yum-builddep --help

Actual results:
the above message

Expected results:
the commands usage

Additional info:
replasing the line import repomd.mdErrors
with import yum.Errors

and replacing the following line from yum.logger import Logger
with import logging

works