diff --git a/features/steps/sandbox_create_for_plan_steps.py b/features/steps/sandbox_create_for_plan_steps.py
index 8db50b7a3..21fa9a44c 100644
--- a/features/steps/sandbox_create_for_plan_steps.py
+++ b/features/steps/sandbox_create_for_plan_steps.py
@@ -144,7 +144,9 @@ def step_sandbox_root_is_dir(context: Context) -> None:
 
 @then("the sandbox object should not be None for scfp")
 def step_sandbox_obj_not_none(context: Context) -> None:
-    assert context.scfp_sandbox_obj is not None, "Expected sandbox object to not be None"
+    assert context.scfp_sandbox_obj is not None, (
+        "Expected sandbox object to not be None"
+    )
 
 
 @then("the sandbox object should be None for scfp")