EPEL gramps Koji build failure

[Ben]

I'm trying to build gramps for EL6. When I kick off a build, it fails 
with the following error:
FAILED: BuildError: error retrieving sources, mock exited with status 1; 
see build.log for more information
Here's the link: http://koji.fedoraproject.org/koji/taskinfo?taskID=5415871
I see the following in one of the logs:

Could not execute sources: Command curl -H Pragma: -o ./gramps-3.4.5.tar.gz -R -S --fail http://pkgs.fedoraproject.org/repo/pkgs/gramps/gramps-3.4.5.tar.gz/db576b40dcef5bc45390c45aa4d40367/gramps-3.4.5.tar.gz returned code 22 with error:   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
DEBUG util.py:264:                                   Dload  Upload   Total   Spent    Left  Speed

My gramps.spec has the following:

|Source0:        http://downloads.sourceforge.net/%{name}/%{name}-%{version}%{?_beta:-0beta%{_beta}}.tar.gz
|

Anyone know what I need to change to fix the error? Note: I can build & 
use the package fine locally, and a local mock build seems to work fine.

-Ben
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