[pre-commit.ci] auto fixes from pre-commit.com hooks

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tests/test_znfields.py

@@ -249,10 +249,11 @@ def test_nested_dataclass():
     obj = Outer()
     assert obj.outer_field.inner_field == "inner_field:1.0"
 
+
 def test_no_dataclass():
     x = NoDataClass()
     with pytest.raises(TypeError, match="is not a dataclass"):
         x.parameter = 5
-    
+
     with pytest.raises(TypeError, match="is not a dataclass"):
         assert x.parameter is None