binary-only promotions are still by source package, so look them up appropriately

britney.py

@@ -938,13 +938,11 @@ class Britney(object):
         f = open(filename, "w")
 
         sources = self.sources['testing']
-        binaries = self.binaries['testing']
         for name in self.all_selected:
             if "/" in name:
                 pkg_name, arch = name.split('/', 1)
-                if arch in binaries and pkg_name in binaries[arch][0]:
-                    f.write('%s %s\n' %
-                            (name, binaries[arch][0][pkg_name][VERSION]))
+                if pkg_name in sources:
+                    f.write('%s %s\n' % (name, sources[pkg_name][VERSION]))
                 else:
                     f.write('%s\n' % name)
             else: