Comment 3 for bug 998705

I get this on kubuntu 12.04 and Ubuntu 12.04
To reproduce, install inkscape and python-uniconvertor
1) start inkscape and make a simple document
2) save as type sk1 vector graphics files (.sk1)

The save will fail with the error message

UniConvertor failed:

Cannot load plugin module sk1saver
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/plugins/plugins.py", line 73, in load_module
    desc)
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/plugins/Filters/sk1saver.py", line 249, in <module>
    from app.Graphics.image import CMYK_IMAGE
ImportError: cannot import name CMYK_IMAGE
When importing plugin sk1saver
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/plugins/plugins.py", line 190, in __call__
    module = self.load_module()
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/plugins/plugins.py", line 73, in load_module
    desc)
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/plugins/Filters/sk1saver.py", line 249, in <module>
    from app.Graphics.image import CMYK_IMAGE
ImportError: cannot import name CMYK_IMAGE
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python2.7/dist-packages/uniconvertor/__init__.py", line 88, in uniconv
    saver(doc, output_file)
  File "/usr/lib/python2.7/dist-packages/uniconvertor/app/plugins/plugins.py", line 194, in __call__
    % {'name':self.module_name})
app.events.skexceptions.SketchError: Cannot load filter sk1saver