FreeBSD import catcher error

./ajenti-bsd start

Traceback (most recent call last):

  File "/usr/local/bin/ajenti-panel", line 11, in <module>

    from ajenti.util import PidFile

  File "/usr/local/lib/python2.7/site-packages/ajenti/util.py", line 9, in <module>

    import catcher

ImportError: No module named catcher