python 2.6にしてみた

C:\work\svnonly>hgpushsvn.py
Traceback (most recent call last):
  File "C:\download\hg\hgsvn\hgpushsvn.py", line 9, in <module>
    import pysvn
  File "C:\TracLight\python\lib\site-packages\pysvn\__init__.py", line 107, in <
module>
    raise ImportError( 'Fix pysvn/__init__.py to support python %d.%d' % tuple(m
aj_min) )
ImportError: Fix pysvn/__init__.py to support python 2.6

どうすればいいのかな?