diff --git a/tests/test_imports.py b/tests/test_imports.py
index 2853cbd..a4c14b4 100644
--- a/tests/test_imports.py
+++ b/tests/test_imports.py
@@ -10,6 +10,7 @@ def require_version(cls, keyring, version):
         cls.called += 1
         return True
 
+
 if getattr(sys.version_info, 'major', 2) == 3:
     import builtins