diff --git a/src/mypackage/test_transform.py b/src/mypackage/test_transform.py
index a068eec..e7502ec 100644
--- a/src/mypackage/test_transform.py
+++ b/src/mypackage/test_transform.py
@@ -6,9 +6,7 @@
 import pytest
 
 
-@pytest.mark.parametrize(
-    "myinput, myref", [(1, np.pi), (0, 0), (2.1, np.pi * 2.1**2)]
-)
+@pytest.mark.parametrize("myinput, myref", [(1, np.pi), (0, 0), (2.1, np.pi * 2.1**2)])
 def test_area_circ(myinput, myref):
     assert tf.area_circ(myinput) == myref