Description of problem:
rhsc-shell command yields a python exception

<command>
[root@rhsc-cb5 ~]# rhsc-shell
Traceback (most recent call last):
  File "/usr/bin/rhsc-shell", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 2655, in <module>
    working_set.require(__requires__)
  File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 648, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 546, in resolve
    raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: rhsc-sdk>=2.1.0.0-0.bb3a
</command>



Version-Release number of selected component (if applicable):
rhsc-cb5 

How reproducible:
100% 


Steps to Reproduce:
1. ssh to rhsc host
2. run command 'rhsc-shell'


Actual results:
following trace is shown:
<stacktrace>
Traceback (most recent call last):
  File "/usr/bin/rhsc-shell", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 2655, in <module>
    working_set.require(__requires__)
  File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 648, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 546, in resolve
    raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: rhsc-sdk>=2.1.0.0-0.bb3a
</stacktrace>


Expected results:
user enters rhsc-shell and receives welcome message


Additional info: