diff --git a/litellm/integrations/prometheus.py b/litellm/integrations/prometheus.py
index 8b780283a1c..14261837b93 100644
--- a/litellm/integrations/prometheus.py
+++ b/litellm/integrations/prometheus.py
@@ -3971,9 +3971,7 @@ class PrometheusLogger(CustomLogger):
                 methods=["GET"],
                 include_in_schema=False,
             )
-        verbose_proxy_logger.debug(
-            "Starting Prometheus Metrics on /metrics (no authentication)"
-        )
+        verbose_proxy_logger.debug("Starting Prometheus Metrics on /metrics (no authentication)")
 
 
 def _prometheus_labels_from_context(
diff --git a/tests/test_litellm/integrations/test_prometheus_metrics_endpoint.py b/tests/test_litellm/integrations/test_prometheus_metrics_endpoint.py
index 594250b5f4d..105d694657f 100644
--- a/tests/test_litellm/integrations/test_prometheus_metrics_endpoint.py
+++ b/tests/test_litellm/integrations/test_prometheus_metrics_endpoint.py
@@ -32,9 +32,7 @@ def test_metrics_endpoint_no_trailing_slash_no_redirect(monkeypatch):
 
     response = client.get("/metrics")
 
-    assert (
-        response.status_code == 200
-    ), f"bare /metrics must not 307 (got {response.status_code}); see #30079"
+    assert response.status_code == 200, f"bare /metrics must not 307 (got {response.status_code}); see #30079"
     assert "text/plain" in response.headers.get("content-type", "")