diff --git a/src/chat/utils/statistic.py b/src/chat/utils/statistic.py
index b6ce7dc76..bb3f53a1a 100644
--- a/src/chat/utils/statistic.py
+++ b/src/chat/utils/statistic.py
@@ -2385,4 +2385,4 @@ class AsyncStatisticOutputTask(AsyncTask):
         return StatisticOutputTask._generate_versions_tab(self, stat)
 
     def _convert_defaultdict_to_dict(self, data):
-        return StatisticOutputTask._convert_defaultdict_to_dict(self, data)
\ No newline at end of file
+        return StatisticOutputTask._convert_defaultdict_to_dict(self, data)