Comment 0 for bug 636372

python-pygtk-2.16.0 causes python-2.7 to segfault if warning settings are changed from default to "error".
Because PyGTK-2.10+ throws only warnings applications which use PyGTK change warning settings to catch an exception while importing gtk module and X display is not available.

[kiesiu@beth ~]$ python -c "import warnings; warnings.filterwarnings('error', module='gtk'); import gtk"
python: Objects/dictobject.c:759: PyDict_SetItem: Assertion `value' failed.
Aborted

[kiesiu@beth ~]$ rpm -q python-pygtk-gtk
python-pygtk-gtk-2.16.0-2.i686

It's a known bug for upstream (https://bugzilla.gnome.org/show_bug.cgi?id=623965) and downstream (https://bugzilla.redhat.com/show_bug.cgi?id=621887).