Description of problem:
beaker-wizard uses some Python 2.6+ constructions that make the script traceback on RHEL5 which has only Python 2.4. For example:

Short description
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Provide a short sentence describing the test.
[What the test does?] Tries to parse 2 netdump packets and checks if parsed values are correct
Traceback (most recent call last):
  File "/usr/bin/beaker-wizard", line 2411, in ?
    test = Test(options)
  File "/usr/bin/beaker-wizard", line 877, in __init__
    self.init()
  File "/usr/bin/beaker-wizard", line 2125, in init
    self.releases = Releases(self.options)
  File "/usr/bin/beaker-wizard", line 877, in __init__
    self.init()
  File "/usr/bin/beaker-wizard", line 1366, in init
    self.list += ["RHEL{0}".format(id) for id in range(6, 9)]
AttributeError: 'str' object has no attribute 'format'

Version-Release number of selected component (if applicable):
beaker-wizard 2.3.0

Actual results:
traceback on RHEL5

Expected results:
tool works on RHEL5 also