An alias with the same name is not allowed

mpcdf_sync_projects.py

@@ -15,7 +15,7 @@ import osc.cmdln
                   help="Source project")
 @osc.cmdln.option('-t', '--to',
                   help="Just sync with this single destination project")
-@osc.cmdln.alias("mpcdf_sync_projects")
+@osc.cmdln.alias("mpcdf_sync_proj")
 def do_mpcdf_sync_projects(self, subcmd, opts, *args):
     """${cmd_name}: Branch all/missing packages from a project to another and sync their metadata