diff --git a/tutor/commands/upgrade/__init__.py b/tutor/commands/upgrade/__init__.py
index 115d2b73b1..44592344a5 100644
--- a/tutor/commands/upgrade/__init__.py
+++ b/tutor/commands/upgrade/__init__.py
@@ -9,5 +9,5 @@
     "olive",
     "palm",
     "quince",
-    "redwood"
+    "redwood",
 ]