diff --git a/tests/unit/test_cassettes.py b/tests/unit/test_cassettes.py
index e90131b..8467ff4 100644
--- a/tests/unit/test_cassettes.py
+++ b/tests/unit/test_cassettes.py
@@ -37,7 +37,6 @@ def test_cassette_play_counter():
     assert a.play_counts['foo'] == 1
     assert a.play_counts['bar'] == 1
 
-
 def test_cassette_append():
     a = Cassette('test')
     a.append('foo', 'bar')