diff --git a/profiler/advisor/dataset/timeline_event_dataset.py b/profiler/advisor/dataset/timeline_event_dataset.py
index 94b6fdfef78c044e37e24772699ed7ea67b0da30..173a438677e4148f39fda2d7a7e2d5967b0b8c9a 100644
--- a/profiler/advisor/dataset/timeline_event_dataset.py
+++ b/profiler/advisor/dataset/timeline_event_dataset.py
@@ -1,6 +1,7 @@
 import logging
 from typing import List
 
+
 import ijson
 from profiler.advisor.dataset.dataset import Dataset
 from tqdm import tqdm