diff --git a/application/gui/launch.py b/application/gui/launch.py
index 569b89a..eae9a57 100644
--- a/application/gui/launch.py
+++ b/application/gui/launch.py
@@ -56,7 +56,7 @@ def _spawn_server_on_thread(self):
                 debug=False,
                 use_reloader=False,
                 threaded=True,
-                use_evalex=False
+                use_evalex=False,
             )
         )
         self._server_thread.daemon = True