Traceback (most recent call last):
  File "/opt/gnome/lib/python3.4/site-packages/orca/input_event.py", line 452, in processInputEvent
    consumed = self.function(script, inputEvent)
  File "/opt/gnome/lib/python3.4/site-packages/orca/scripts/default.py", line 1567, in reviewCurrentLine
    self._reviewCurrentLine(inputEvent, 1)
  File "/opt/gnome/lib/python3.4/site-packages/orca/scripts/default.py", line 1594, in _reviewCurrentLine
    context = self.getFlatReviewContext()
  File "/opt/gnome/lib/python3.4/site-packages/orca/scripts/default.py", line 3547, in getFlatReviewContext
    self.flatReviewContext = self.flatReviewContextClass(self)
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 598, in __init__
    self.lines = self.clusterZonesByLine(self.getShowingZones(obj))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1302, in getShowingZones
    zones.extend(self.getShowingZones(child))
  File "/opt/gnome/lib/python3.4/site-packages/orca/flat_review.py", line 1279, in getShowingZones
    self.script.utilities.showingDescendants(root)
  File "/opt/gnome/lib/python3.4/site-packages/orca/script_utilities.py", line 1351, in showingDescendants
    extents = header.queryComponent().getExtents(0)
  File "/usr/lib/python3.4/site-packages/pyatspi/Accessibility.py", line 144, in <lambda>
    Atspi.Accessible.queryComponent = lambda x: Component(getInterface(Atspi.Accessible.get_component_iface, x))
  File "/usr/lib/python3.4/site-packages/pyatspi/Accessibility.py", line 68, in getInterface
    raise NotImplementedError
NotImplementedError
