Traceback (most recent call last):
  File "/usr/local/bin/virtualenv", line 9, in <module>
    load_entry_point('virtualenv==1.6.2', 'console_scripts', 'virtualenv')()
  File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 299, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 2229, in load_entry_point
    return ep.load()
  File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 1948, in load
    entry = __import__(self.module_name, globals(),globals(), ['__name__'])
  File "/usr/local/lib/python2.6/dist-packages/virtualenv-1.6.2-py2.6.egg/virtualenv.py", line 16, in <module>
    import sysconfig
ImportError: No module named sysconfig