UniConvertor failed:

Cannot list directory /home/george/.uniconvertor:[Errno 2] No such file or directory: '/home/george/.uniconvertor'
ignoring it in font_path
Cannot list directory /home/george/.uniconvertor:[Errno 2] No such file or directory: '/home/george/.uniconvertor'
ignoring it in font_path
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python2.7/dist-packages/uniconvertor/__init__.py", line 82, in uniconv
    doc = load.load_drawing(input_file)
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/io/load.py", line 364, in load_drawing
    return load_drawing_from_file(file, filename)
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/io/load.py", line 337, in load_drawing_from_file
    doc = loader.Load()
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/plugins/Filters/cdrziploader.py", line 54, in Load
    doc = load.load_drawing_from_file(cdrfile, cdrfile.name, doc_class = self.doc_class)
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/io/load.py", line 346, in load_drawing_from_file
    raise SketchLoadError(_("unrecognised file type"))
app.events.skexceptions.SketchLoadError: unrecognised file type