diff --git a/test/Util_test.py b/test/Util_test.py
index e01f391803fa688e0a227c856d4e0f5bbf4a348c..b84748a32080acc332a999b4eab6642fc10b5c62 100644
--- a/test/Util_test.py
+++ b/test/Util_test.py
@@ -56,6 +56,7 @@ def test_get_interval__custom_size():
     intervals = Util.get_intervals(starttime, endtime, size=3600)
     assert_equals(len(intervals), 24)
 
+
 def test_get_interval__negative_size():
     """Util_test.test_get_interval__negative_size()
     """
@@ -66,6 +67,7 @@ def test_get_interval__negative_size():
     assert_equals(intervals[0]['start'], starttime)
     assert_equals(intervals[0]['end'], endtime)
 
+
 def test_get_interval__trim():
     """Util_test.test_get_interval__trim()
     """