cvsgraph python exception

[Vipin Chandran]

hi,
can some one help me solve the following error when running the cvsgraph..
....................................
exec failed:
 
cvsgraph_path = /home/hnetworx/public_html/cvsgraph/cvsgraph -i -c
/home/hnetworx/public_html/cgi-bin/viewcvs/cgi/cvsgraph.conf -r
/home/cvs -6 &only_with_tag=HEAD -7 ?only_with_tag=HEAD
autosurvey/changelog.txt,v
Content-Type: text/html 
Python Exception Occurred
Traceback (most recent call last):
  File "./lib/viewcvs.py", line 2625, in run_cgi
    main()
  File "./lib/viewcvs.py", line 2596, in main
    view_cvsgraph(cfg, request)
  File "./lib/viewcvs.py", line 1978, in view_cvsgraph
    request.where + ',v'), 'r')
  File "./lib/popen.py", line 75, in popen
    os.execvp(cmd, (cmd,) + tuple(args))
  File "/var/tmp/python-2.2.3-root/usr/lib/python2.2/os.py", line 299, in execvp
    _execvpe(file, args)
  File "/var/tmp/python-2.2.3-root/usr/lib/python2.2/os.py", line 325,
in _execvpe
    apply(func, (file,) + argrest)
OSError: [Errno 2] No such file or directory

......................................
thanks
vipin