^CTraceback (most recent call last):
  File "./mcedit.py", line 1193, in <module>
    sys.exit(main(sys.argv))
  File "./mcedit.py", line 1054, in main
    MCEdit.main()
  File "./mcedit.py", line 975, in main
    rootwidget.run()
  File "/home/parabyte/Mcedit/mcedit/albow/root.py", line 106, in run
    self.run_modal(None)
  File "/home/parabyte/Mcedit/mcedit/albow/root.py", line 230, in run_modal
    last_mouse_event_handler.handle_mouse('mouse_up', event)
  File "/home/parabyte/Mcedit/mcedit/albow/widget.py", line 353, in handle_mouse
    self.call_handler(name, event)
  File "/home/parabyte/Mcedit/mcedit/albow/widget.py", line 434, in call_handler
    return method(*args)
  File "/home/parabyte/Mcedit/mcedit/albow/controls.py", line 222, in mouse_up
    self.call_handler('action')
  File "/home/parabyte/Mcedit/mcedit/albow/widget.py", line 434, in call_handler
    return method(*args)
  File "/home/parabyte/Mcedit/mcedit/editortools/filter.py", line 32, in _func
    func(*args, **kw)
  File "/home/parabyte/Mcedit/mcedit/editortools/filter.py", line 407, in confirm
    self.editor.addOperation(op)
  File "/home/parabyte/Mcedit/mcedit/leveleditor.py", line 3382, in addOperation
    self.performWithRetry(op)
  File "/home/parabyte/Mcedit/mcedit/leveleditor.py", line 3388, in performWithRetry
    op.perform(self.recordUndo)
  File "/home/parabyte/Mcedit/mcedit/editortools/filter.py", line 317, in perform
    self.filter.perform(self.level, BoundingBox(self.box), self.options)
  File "/home/parabyte/Mcedit/mcedit/filters/tomtsschem.py", line 268, in perform
    c = findConversion(level.blockAt(x, y, z), level.blockDataAt(x, y, z), mods)
  File "/home/parabyte/Mcedit/mcedit/pymclevel/infiniteworld.py", line 425, in blockDataAt
    ch = self.getChunk(xc, zc)
  File "/home/parabyte/Mcedit/mcedit/pymclevel/infiniteworld.py", line 1486, in getChunk
    chunkData = self._getChunkData(cx, cz)
  File "/home/parabyte/Mcedit/mcedit/pymclevel/infiniteworld.py", line 1447, in _getChunkData
    data = self._getChunkBytes(cx, cz)
  File "/home/parabyte/Mcedit/mcedit/pymclevel/infiniteworld.py", line 1440, in _getChunkBytes
    return self.worldFolder.readChunk(cx, cz)
  File "/home/parabyte/Mcedit/mcedit/pymclevel/infiniteworld.py", line 988, in readChunk
    if not self.containsChunk(cx, cz):
  File "/home/parabyte/Mcedit/mcedit/pymclevel/infiniteworld.py", line 972, in containsChunk
    if not os.path.exists(self.getRegionFilename(rx, rz)):
  File "/usr/lib/python2.7/genericpath.py", line 18, in exists
    os.stat(path)
KeyboardInterrupt