Description of problem:<br />
Installed Ricoh printer driver.<br />
<br />
Version-Release number of selected component:<br />
system-config-printer-1.4.1-19.el7<br />
<br />
Truncated backtrace:<br />
Gtk.py:1114:__new__:TypeError: 'NoneType' object is not iterable<br />
<br />
Traceback (most recent call last):<br />
File "/usr/share/system-config-printer/newprinter.py", line 3616, in on_tvNPDownloadableDrivers_cursor_changed<br />
iter = model.get_iter (path)<br />
File "/usr/lib64/python2.7/site-packages/gi/overrides/Gtk.py", line 789, in get_iter<br />
path = self._coerce_path(path)<br />
File "/usr/lib64/python2.7/site-packages/gi/overrides/Gtk.py", line 764, in _coerce_path<br />
return TreePath(path)<br />
File "/usr/lib64/python2.7/site-packages/gi/overrides/Gtk.py", line 1114, in __new__<br />
path = ":".join(str(val) for val in path)<br />
TypeError: 'NoneType' object is not iterable<br />
<br />
Local variables in innermost frame:<br />
path: None<br />
cls: <class 'gi.overrides.Gtk.TreePath'>
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