diff --git a/tests/test_eigen_tensor.py b/tests/test_eigen_tensor.py
index 98c4517258..67c2796103 100644
--- a/tests/test_eigen_tensor.py
+++ b/tests/test_eigen_tensor.py
@@ -280,7 +280,6 @@ def test_doc_string(m, doc):
     )
     assert (
         doc(m.reference_const_tensor)
-        
         == 'reference_const_tensor() -> typing.Annotated[numpy.typing.NDArray[numpy.float64], "[?, ?, ?]"]'
     )