diff --git a/tests/unit/test_dataset_manager.py b/tests/unit/test_dataset_manager.py
index 0adbe662..ae5dc248 100644
--- a/tests/unit/test_dataset_manager.py
+++ b/tests/unit/test_dataset_manager.py
@@ -5,7 +5,6 @@
 
 import pandas as pd
 import pytest
-
 from predictionnet.utils.dataset_manager import DatasetManager