#395 Cleanup does not work

[Francis J. Hitchens]

The cleanup tab on the Linux version does not work.
When a feed is selected the window in which the
podcasts to delete remains blank. The following error
message appears on STDOUT...

Today
Traceback (most recent call last):
File "iPodderGui.py", line 2666, in OnCleanupFeedChoice
self.PopulateCleanupEpisodes(feedinfo)
File "iPodderGui.py", line 2684, in
PopulateCleanupEpisodes
for pathname in filenames:
TypeError: iteration over non-sequence