diff --git a/src/pyflask/namespaces/system.py b/src/pyflask/namespaces/system.py
index 1bdef06da..052b2742f 100644
--- a/src/pyflask/namespaces/system.py
+++ b/src/pyflask/namespaces/system.py
@@ -21,6 +21,7 @@ def get(self) -> Union[Dict[str, int], None]:
 
         return dict(physical=physical, logical=logical)
 
+
 @system_namespace.route("/all_timezones")
 class GetTimezones(flask_restx.Resource):
 
@@ -42,4 +43,4 @@ class GetTimezones(flask_restx.Resource):
     def get(self) -> str:
         import tzlocal
 
-        return tzlocal.get_localzone_name()
\ No newline at end of file
+        return tzlocal.get_localzone_name()