An Exception Has Occurred

Python Traceback

Traceback (most recent call last):
  File "/usr/local/var/wikitex/viewvc-1.1-dev/lib/viewvc.py", line 3942, in main
    request.run_viewvc()
  File "/usr/local/var/wikitex/viewvc-1.1-dev/lib/viewvc.py", line 264, in run_viewvc
    import vclib.svn
  File "/usr/local/var/wikitex/viewvc-1.1-dev/lib/vclib/svn/__init__.py", line 25, in <module>
    from svn import fs, repos, core, client, delta
ImportError: No module named svn