software-center-error

user~$ software-center

Fontconfig warning: "/etc/fonts/conf.d/65-droid-sans-fonts.conf", line 61: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/65-droid-sans-fonts.conf", line 96: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/90-fonts-nanum.conf", line 9: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/90-fonts-nanum.conf", line 22: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/90-fonts-nanum.conf", line 22: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/90-fonts-nanum.conf", line 22: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/90-fonts-nanum.conf", line 26: Having multiple <family> in <alias> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/90-fonts-nanum.conf", line 31: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/90-fonts-nanum.conf", line 40: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/etc/fonts/conf.d/90-fonts-unfonts-core.conf", line 11: Having multiple values in <test> isn't supported and may not work as expected
2015-01-27 11:53:56,823 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/importer.py', 51, 'find_module')'
2015-01-27 11:53:56,823 - root - ERROR - Could not find any typelib for Gst
2015-01-27 11:53:56,868 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'
2015-01-27 11:53:56,873 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
Traceback (most recent call last):
  File "/usr/bin/software-center", line 142, in <module>
    app = SoftwareCenterAppGtk3(datadir, xapian_base_path, options, args)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 305, in __init__
    self.backend = get_install_backend()
  File "/usr/share/software-center/softwarecenter/backend/installbackend.py", line 86, in get_install_backend
    from softwarecenter.backend.installbackend_impl.aptd import (
  File "/usr/share/software-center/softwarecenter/backend/installbackend_impl/aptd.py", line 34, in <module>
    from aptdaemon import client
  File "/usr/lib/python2.7/dist-packages/aptdaemon/client.py", line 70, in <module>
    class MemoizedMixIn(MemoizedTransaction, GObject.GObjectMeta):
  File "/usr/lib/python2.7/dist-packages/gi/module.py", line 316, in __getattr__
    return getattr(self._introspection_module, name)
  File "/usr/lib/python2.7/dist-packages/gi/module.py", line 135, in __getattr__
    self.__name__, name))
AttributeError: 'gi.repository.GObject' object has no attribute 'GObjectMeta'