Bug#722239: Error parsing schema org.gnome.desktop.interface

[Harald Dunkel]

Package: gnome-tweak-tool
Version: 3.4.0.1-2

gnome-tweak-tool dies at startup with

CRITICAL: Error parsing schema org.gnome.desktop.interface (/usr/share/glib-2.0/schemas/org.gnome.desktop.interface.gschema.xml)
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/gtweak/gsettings.py", line 48, in __init__
    dom = xml.dom.minidom.parse(schema_path)
  File "/usr/lib/python2.7/xml/dom/minidom.py", line 1919, in parse
    from xml.dom import expatbuilder
  File "/usr/lib/python2.7/xml/dom/expatbuilder.py", line 32, in <module>
    from xml.parsers import expat
  File "/usr/lib/python2.7/xml/parsers/expat.py", line 4, in <module>
    from pyexpat import *
ImportError: /usr/lib/python2.7/lib-dynload/pyexpat.so: undefined symbol: XML_SetHashSalt
Traceback (most recent call last):
  File "/usr/bin/gnome-tweak-tool", line 76, in <module>
    MainWindow()
  File "/usr/lib/python2.7/dist-packages/gtweak/mainwindow.py", line 44, in __init__
    model)
  File "/usr/lib/python2.7/dist-packages/gtweak/tweakview.py", line 40, in __init__
    self._model.load_tweaks()
  File "/usr/lib/python2.7/dist-packages/gtweak/tweakmodel.py", line 135, in load_tweaks
    mods = __import__("gtweak.tweaks", globals(), locals(), tweak_files, 0)
  File "/usr/lib/python2.7/dist-packages/gtweak/tweaks/tweak_interface.py", line 99, in <module>
    GSettingsSwitchTweak("org.gnome.desktop.interface", "menus-have-icons", group_name=TWEAK_GROUP_THEME),
  File "/usr/lib/python2.7/dist-packages/gtweak/widgets.py", line 116, in __init__
    _GSettingsTweak.__init__(self, schema_name, key_name, **options)
  File "/usr/lib/python2.7/dist-packages/gtweak/widgets.py", line 105, in __init__
    options.get("summary",self.settings.schema_get_summary(key_name)),
  File "/usr/lib/python2.7/dist-packages/gtweak/gsettings.py", line 122, in schema_get_summary
    return self._schema._schema[key]["summary"]
KeyError: 'menus-have-icons'


Regards
Harri