Replace a workaround with a more semantic one. - In old implementation, it has not clear intention in the syntax. - I move the line doing real works into the try-except block to emphasize the intention of skipping scene nodes that is incomplete.

madbutterfly (0.0-3) intrepid; urgency=low

  * Initial release

 -- Ben Lau <benlau@visionware.com.hk>  Thu, 09 Apr 2009 20:00:10 +0800