diff --git a/test_operations_unittests.py b/test_operations_unittests.py
index 65560b6..bcf1f9d 100644
--- a/test_operations_unittests.py
+++ b/test_operations_unittests.py
@@ -1,6 +1,7 @@
 """
 Tests for mathematical operations functions.
 """
+
 from operations import find_max, find_mean
 from unittest import TestCase
 import csv