Traceback (most recent call last):
  File "/usr/bin/gwibber", line 55, in <module>
    from gwibber import client
  File "/usr/lib/python2.7/dist-packages/gwibber/client.py", line 3, in <module>
    import gtk, gobject, gwui, util, actions, json, gconf
  File "/usr/lib/python2.7/dist-packages/gwibber/gwui.py", line 208, in <module>
    class WebUi(webkit.WebView):
AttributeError: 'module' object has no attribute 'WebView'