--2013-09-30 13:26:22--  http://sagemath.org/packages/standard/pynac-0.2.5.spkg
Resolving sagemath.org... 128.208.160.197
Connecting to sagemath.org|128.208.160.197|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2013-09-30 13:26:25 ERROR 404: Not Found.