segfault in upgrade

[Neal Becker]

...
upgrading system-config-printer-0.7.82.2-1.fc9.x86_64
error: %postun(avahi-0.6.17-1.fc7.x86_64) scriptlet failed, exit status 1
/var/tmp/rpm-tmp.16591: line 12: 18014 Segmentation
fault      /usr/bin/xmlcatalog --sgml --noout --del /etc/sgml/ca\
talog "/etc/sgml/docbook-slides.cat"
Traceback (most recent call last):
  File "/usr/share/system-config-firewall/convert-config", line 30, in
<module>
    from fw_config import *
  File "/usr/share/system-config-firewall/fw_config.py", line 31, in
<module>
    from netconfpkg import NCDeviceList
  File "/usr/share/system-config-network/netconfpkg/__init__.py", line 61,
in <module>
    exec _cmd
  File "<string>", line 1, in <module>
  File "/usr/share/system-config-network/netconfpkg/Control.py", line 29, in
<module>
    import NCDeviceList
  File "/usr/share/system-config-network/netconfpkg/NCDeviceList.py", line
26, in <module>
    from netconfpkg.NCDeviceFactory import getDeviceFactory
  File "/usr/share/system-config-network/netconfpkg/NCDeviceFactory.py",
line 74, in <module>
    from netconfpkg.plugins import *
  File "/usr/share/system-config-network/netconfpkg/plugins/__init__.py",
line 35, in <module>
    exec _cmd
  File "<string>", line 1, in <module>
  File "/usr/share/system-config-network/netconfpkg/plugins/NCDevCTC.py",
line 22, in <module>
    from netconfpkg.NC_functions import CTC
ImportError: cannot import name CTC
error: %trigger(system-config-firewall-1.2.7-1.fc9.noarch) scriptlet failed,
exit status 1
/var/tmp/rpm-tmp.69171: line 12: 20184 Segmentation
fault      /usr/bin/xmlcatalog --sgml --noout --del /etc/sgml/ca\
talog "/etc/sgml/docbook-simple.cat"