flake8
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 26eb86f..af575b3 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -250,6 +250,7 @@
     with pytest.raises(ValueError):
         load_hash_vectors(vector_data)
 
+
 def test_load_vectors_from_file():
     vectors = load_vectors_from_file(
         os.path.join("ciphers", "Blowfish", "bf-cfb.txt"),