diff --git a/tests/worker/test_workflow.py b/tests/worker/test_workflow.py
index 9f007a22..74958cf9 100644
--- a/tests/worker/test_workflow.py
+++ b/tests/worker/test_workflow.py
@@ -3902,7 +3902,7 @@ def matches_metric_line(
                 return False
             # Must have labels (don't escape for this test)
             for k, v in at_least_labels.items():
-                if not f'{k}="{v}"' in line:
+                if f'{k}="{v}"' not in line:
                     return False
             return line.endswith(f" {value}")
 
@@ -4856,7 +4856,7 @@ async def assert_scenario(
         update_scenario: Optional[FailureTypesScenario] = None,
     ) -> None:
         logging.debug(
-            f"Asserting scenario %s",
+            "Asserting scenario %s",
             {
                 "workflow": workflow,
                 "expect_task_fail": expect_task_fail,