diff --git a/litellm/types/integrations/prometheus.py b/litellm/types/integrations/prometheus.py
index b1535208ec3..1f58a0d3102 100644
--- a/litellm/types/integrations/prometheus.py
+++ b/litellm/types/integrations/prometheus.py
@@ -678,9 +678,9 @@ class PrometheusMetricLabels:
 
     litellm_managed_batch_created_total = _batch_user_labels
 
-    litellm_managed_file_size_bytes: List[
-        str
-    ] = []  # labels: purpose, file_type, model, api_provider, user (custom)
+    litellm_managed_file_size_bytes: List[str] = (
+        []
+    )  # labels: purpose, file_type, model, api_provider, user (custom)
 
     litellm_managed_batch_duration_seconds = [
         UserAPIKeyLabelNames.v1_LITELLM_MODEL_NAME.value,
@@ -689,9 +689,9 @@ class PrometheusMetricLabels:
 
     litellm_managed_file_created_total = _batch_user_labels
 
-    litellm_managed_file_deleted_total: List[
-        str
-    ] = []  # only "result" label, added at metric creation
+    litellm_managed_file_deleted_total: List[str] = (
+        []
+    )  # only "result" label, added at metric creation
 
     litellm_check_batch_cost_jobs_polled: List[str] = []