diff --git a/tests/test_znfields.py b/tests/test_znfields.py
index 5e88dc8..9d26dd4 100644
--- a/tests/test_znfields.py
+++ b/tests/test_znfields.py
@@ -22,7 +22,6 @@ def test_example1_with_update():
     assert example.parameter == "parameter:1"
     example.parameter = 2
     assert example.parameter == "parameter:2"
-    
 
 
 @dataclasses.dataclass
diff --git a/znfields/__init__.py b/znfields/__init__.py
index bb885de..b490b20 100644
--- a/znfields/__init__.py
+++ b/znfields/__init__.py
@@ -6,6 +6,7 @@
 class _ZNFIELDS_GETTER_TYPE:
     pass
 
+
 ZNFIELDS_GETTER_TYPE = _ZNFIELDS_GETTER_TYPE()