Fix linter warning

mpcdf_setup_repos.py

@@ -9,6 +9,7 @@ import osc.conf
 import osc.core
 import osc.cmdln
 
+
 @osc.cmdln.option('-n', '--dry-run', action="store_true",
                   help="Do not actually run anything but output the resulting XML configuration")
 @osc.cmdln.option('--parent', metavar="PARENT",