diff --git a/src/grasshopper/lib/fixtures/grasshopper_constants.py b/src/grasshopper/lib/fixtures/grasshopper_constants.py
index 01c32c8..a2277f8 100644
--- a/src/grasshopper/lib/fixtures/grasshopper_constants.py
+++ b/src/grasshopper/lib/fixtures/grasshopper_constants.py
@@ -29,7 +29,7 @@ class GrasshopperConstants:
         "rp_launch_name",
         "rp_project",
         "rp_endpoint",
-        "rp_launch_attributes"
+        "rp_launch_attributes",
     ]
     RUNTIME_DEFAULT = 120.0
     USERS_DEFAULT = 1