I just did a 'cvs update -dp', and now whenever I try and access a file I get the following error:

Traceback (innermost last):
  File "/usr/lib/python1.5/threading.py", line 376, in __bootstrap
    self.run()
  File "/usr/lib/python1.5/threading.py", line 364, in run
    apply(self.__target, self.__args, self.__kwargs)
  File "ThreadedAppServer.py", line 124, in threadloop
    rh.handleRequest()
  File "ThreadedAppServer.py", line 260, in handleRequest
    transaction = self.server._app.dispatchRawRequest(dict)
  File "Application.py", line 279, in dispatchRawRequest
    return self.dispatchRequest(self.createRequestForDict(newRequestDict))
  File "Application.py", line 323, in dispatchRequest
    path = request.serverSidePath()
  File "HTTPRequest.py", line 208, in serverSidePath
    self._serverSidePath = app.serverSidePathForRequest(self)
  File "Application.py", line 985, in serverSidePathForRequest
    raise AssertionError, "Unexpected if-else fall through."
AssertionError: Unexpected if-else fall through.

Any ideas?