Problems with SMART 1.2

[Steve Kelem]

While updating channels, I got the following traceback
Traceback (most recent call last):

  File
"/usr/lib/python2.5/site-packages/smart/interfaces/gtk/interactive.py",
line 180, in callback
    exec code in globals

  File "<callback>", line 1, in <module>

  File
"/usr/lib/python2.5/site-packages/smart/interfaces/gtk/interactive.py",
line 411, in updateChannels
    self._ctrl.reloadChannels(channels, caching=NEVER)

  File "/usr/lib/python2.5/site-packages/smart/control.py", line 359, in
reloadChannels
    if not channel.fetch(self._fetcher, progress):

  File "/usr/lib/python2.5/site-packages/smart/channels/rpm_md.py", line
73, in fetch
    digest = getFileDigest(item.getTargetPath())

  File "/usr/lib/python2.5/site-packages/smart/util/filetools.py", line
34, in getFileDigest
    file = open(path)

TypeError: coercing to Unicode: need string or buffer, NoneType found