Problems with python process_docs.py

~/cvs/matplotlib/htdocs> /usr/bin/python process_docs.py
        Converting matplotlib.afm.html to template
        Converting matplotlib.artist.html to template
        Converting matplotlib.axes.html to template
        Converting matplotlib.axis.html to template
        Converting matplotlib.backend_bases.html to template
        Converting matplotlib.backends.backend_gd.html to template
Traceback (most recent call last):
  File "process_docs.py", line 28, in ?
    s = file('../docs/' + fname).read()
IOError: [Errno 2] No such file or directory:
'../docs/matplotlib.backends.backend_gd.html'