UV face layout export error

hi all, i have a problem with exporting uv face layout.
when i try i get following messages:

python script error, check console

in console is written:

Using Python 2.4
‘import site’ failed:; use -v for Traceback

(its written when i start blender)

when i use the export button, following is added:

Traceback (most recent call last):
File “<string>”, line 136, in bevent
IndexError: list index out of range

please help me.

thx :expressionless:

I’ve corrected this bug in CVS, you can get the updated script here
Select Download.