|   | 1 |  initial version  | 
I managed to fix my problem, but I'm not sure why Sage is doing this. I copied convert from /opt/local/bin to /tmp/sage-mac-app/local/bin, and this seemed to do the trick. I'm not really sure why this hack fixed the problem. It seems that Sage should be able to look elsewhere for files.
 Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.
 
                
                Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.