diff --git a/test/test_matrixmania/test_rot.py b/test/test_matrixmania/test_rot.py
index 5555db0..084e8bd 100644
--- a/test/test_matrixmania/test_rot.py
+++ b/test/test_matrixmania/test_rot.py
@@ -51,4 +51,4 @@ def test_rot_3D_invalid_axis():
 
     # Act + Assert
     with pytest.raises(ValueError):
-        rot_3D(angle, axis)
\ No newline at end of file
+        rot_3D(angle, axis)