diff --git a/numaprom/metrics/_metrics.py b/numaprom/metrics/_metrics.py
index d5eeb2d..5aa99d2 100644
--- a/numaprom/metrics/_metrics.py
+++ b/numaprom/metrics/_metrics.py
@@ -1,4 +1,3 @@
-
 from prometheus_client import start_http_server
 from prometheus_client import Counter