diff --git a/src/prometheus_metrics_server.py b/src/prometheus_metrics_server.py
index 3e6d517..bf7c75b 100644
--- a/src/prometheus_metrics_server.py
+++ b/src/prometheus_metrics_server.py
@@ -29,4 +29,4 @@ class PrometheusMetricsServer:
         while True:
             for source in self._metrics_sources:
                 source.update()
-            time.sleep(self.interval)
\ No newline at end of file
+            time.sleep(self.interval)