OF: missing comma
diff --git a/gen.py b/gen.py
index 1c0c767..2048cc0 100755
--- a/gen.py
+++ b/gen.py
@@ -42,7 +42,7 @@
     'commons',
     'couchdb',
     'lucene',
-    'solr'
+    'solr',
     'trafficcontrol',
     'zookeeper',
     }