[pygtk] duplicate gtk.Clipboard causing visit_decref error

[N. French]

I have a little utility that has a couple classes that do this in their
constructors:

self.clipboard = gtk.Clipboard()

I'm on GTK 2.6 so I'm assuming I can call this with no arguments.  I
get this error in a deterministic fashion:

python: Modules/gcmodule.c:275: visit_decref: Assertion `gc->gc.gc_refs
!= 0' failed.

If I switch to instead have only one instance of gtk.Clipboard and pass
it into the classes that need clipboard functionality the problem goes
away.  Without getting off my butt and looking at how PyGTK works I'm
going to go out on a limb here and say there is a reference counting
problem with the clipboard extension.

Here's some details on my system below.  Basically just a stock FC4
install with GTK 2.6 (we have another machine which is FC3 that
exhibits the same issue).

Nathan French

Python 2.4.1 (#1, May 16 2005, 15:19:29) 
[GCC 4.0.0 20050512 (Red Hat 4.0.0-5)] on linux2

[root at localhost ~]# rpm -qa | grep gtk
usermode-gtk-1.80-1
gtkhtml2-2.6.3-1
gnome-python2-gtkhtml2-2.10.0-2.1
gtk+-1.2.10-39
pygtk2-devel-2.6.0-2
pygtk2-libglade-2.6.0-2
gtk2-engines-2.6.3-2
gtkhtml3-3.6.2-1
gtksourceview-1.2.0-1
gtk2-devel-2.6.7-4
gtk-doc-1.3-2
gtk2-2.6.7-4
pygtk2-2.6.0-2
authconfig-gtk-4.6.12-1
gtkspell-2.0.7-3
gtk-engines-0.12-7


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