osmodivs@Djiin:~$ blender
Compiled with Python version 2.6.6.
Checking for installed Python... got it!
ERROR: Importing yafqt failed, Qt GUI will NOT be available.
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/home/osmodivs/.blender/scripts/yafaray-blender/yafaray_ui.py", line 94, in <module>
    import yaf_export
  File "/usr/share/yafaray/blender/yaf_export.py", line 17, in <module>
  File "/usr/share/yafaray/blender/yafrayinterface.py", line 7, in <module>
ImportError: No module named _yafrayinterface