diff --git a/run_tests.py b/run_tests.py
index d886e59..522edec 100644
--- a/run_tests.py
+++ b/run_tests.py
@@ -146,6 +146,7 @@ def bla(dict=3):
         b = 4"""
     check_code(source, 'A002')
 
+
 def test_kwonly_argument_message():
     source = """
     def bla(*, list):