Comment 3 for bug 715061

I tried to repeat the condition, which causes an error, but got only one window. During working, there are up to 4 windows can be open at same time.

This window shows this:

UniConvertor failed:

Cannot list directory /home/michael/.uniconvertor:[Errno 2] No such file or directory: '/home/michael/.uniconvertor'
ignoring it in font_path
Cannot list directory /home/michael/.uniconvertor:[Errno 2] No such file or directory: '/home/michael/.uniconvertor'
ignoring it in font_path
/usr/lib/pymodules/python2.6/uniconvertor/app/utils/locale_utils.py:9: DeprecationWarning: The popen2 module is deprecated. Use the subprocess module.
  from popen2 import popen2
No plugin-type information in /usr/lib/pymodules/python2.6/uniconvertor/app/plugins/Filters/__init__.py
No plugin-type information in /usr/lib/pymodules/python2.6/uniconvertor/app/plugins/Filters/__init__.py
Cannot load plugin module sk1saver
Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/uniconvertor/app/plugins/plugins.py", line 73, in load_module
    desc)
  File "/usr/lib/pymodules/python2.6/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/pymodules/python2.6/uniconvertor/app/plugins/plugins.py", line 190, in __call__
    module = self.load_module()
  File "/usr/lib/pymodules/python2.6/uniconvertor/app/plugins/plugins.py", line 73, in load_module
    desc)
  File "/usr/lib/pymodules/python2.6/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/pymodules/python2.6/uniconvertor/__init__.py", line 88, in uniconv
    saver(doc, output_file)
  File "/usr/lib/pymodules/python2.6/uniconvertor/app/plugins/plugins.py", line 194, in __call__
    % {'name':self.module_name})
app.events.skexceptions.SketchError: Cannot load filter sk1saver