diff --git a/include/pybind11/eigen/matrix.h b/include/pybind11/eigen/matrix.h
index d8a594fdee..e4ebdd012e 100644
--- a/include/pybind11/eigen/matrix.h
+++ b/include/pybind11/eigen/matrix.h
@@ -224,7 +224,7 @@ struct EigenProps {
     static constexpr bool show_f_contiguous
         = !show_c_contiguous && show_order && requires_col_major;
 
-        static constexpr auto descriptor
+    static constexpr auto descriptor
         = const_name("typing.Annotated[")
           + io_name("numpy.typing.ArrayLike, ", "numpy.typing.NDArray[")
           + npy_format_descriptor<Scalar>::name + io_name("", "]") + const_name(", \"[")
diff --git a/include/pybind11/eigen/tensor.h b/include/pybind11/eigen/tensor.h
index b65f29b02e..e38c12e430 100644
--- a/include/pybind11/eigen/tensor.h
+++ b/include/pybind11/eigen/tensor.h
@@ -126,14 +126,14 @@ struct get_tensor_descriptor {
     static constexpr auto details
         = const_name<NeedsWriteable>(", \"flags.writeable\"", "") + const_name
               < static_cast<int>(Type::Layout)
-              == static_cast<int>(Eigen::RowMajor)
-              > (", \"flags.c_contiguous\"", ", \"flags.f_contiguous\"");
+          == static_cast<int>(Eigen::RowMajor)
+                 > (", \"flags.c_contiguous\"", ", \"flags.f_contiguous\"");
     static constexpr auto value
         = const_name("typing.Annotated[")
-        + io_name("numpy.typing.ArrayLike, ", "numpy.typing.NDArray[")
-        + npy_format_descriptor<typename Type::Scalar>::name + io_name("", "]")
-        + const_name(", \"[") + eigen_tensor_helper<remove_cv_t<Type>>::dimensions_descriptor
-        + const_name("]\"") + const_name<ShowDetails>(details, const_name("")) + const_name("]");
+          + io_name("numpy.typing.ArrayLike, ", "numpy.typing.NDArray[")
+          + npy_format_descriptor<typename Type::Scalar>::name + io_name("", "]")
+          + const_name(", \"[") + eigen_tensor_helper<remove_cv_t<Type>>::dimensions_descriptor
+          + const_name("]\"") + const_name<ShowDetails>(details, const_name("")) + const_name("]");
 };
 
 // When EIGEN_AVOID_STL_ARRAY is defined, Eigen::DSizes<T, 0> does not have the begin() member
diff --git a/include/pybind11/numpy.h b/include/pybind11/numpy.h
index 8280f19873..3a370fe5a3 100644
--- a/include/pybind11/numpy.h
+++ b/include/pybind11/numpy.h
@@ -2182,7 +2182,8 @@ vectorize_helper<Func, Return, Args...> vectorize_extractor(const Func &f, Retur
 template <typename T, int Flags>
 struct handle_type_name<array_t<T, Flags>> {
     static constexpr auto name
-        = io_name("typing.Annotated[numpy.typing.ArrayLike, ", "numpy.typing.NDArray[") + npy_format_descriptor<T>::name + const_name("]");
+        = io_name("typing.Annotated[numpy.typing.ArrayLike, ", "numpy.typing.NDArray[")
+          + npy_format_descriptor<T>::name + const_name("]");
 };
 
 PYBIND11_NAMESPACE_END(detail)
diff --git a/tests/test_eigen_matrix.py b/tests/test_eigen_matrix.py
index 47fad5d8c6..6870c29bf6 100644
--- a/tests/test_eigen_matrix.py
+++ b/tests/test_eigen_matrix.py
@@ -95,19 +95,19 @@ def test_mutator_descriptors():
     with pytest.raises(TypeError) as excinfo:
         m.fixed_mutator_r(zc)
     assert (
-        "(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float32, \"[5, 6]\","
-        " \"flags.writeable\", \"flags.c_contiguous\"]) -> None" in str(excinfo.value)
+        '(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float32, "[5, 6]",'
+        ' "flags.writeable", "flags.c_contiguous"]) -> None' in str(excinfo.value)
     )
     with pytest.raises(TypeError) as excinfo:
         m.fixed_mutator_c(zr)
     assert (
-        "(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float32, \"[5, 6]\","
-        " \"flags.writeable\", \"flags.f_contiguous\"]) -> None" in str(excinfo.value)
+        '(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float32, "[5, 6]",'
+        ' "flags.writeable", "flags.f_contiguous"]) -> None' in str(excinfo.value)
     )
     with pytest.raises(TypeError) as excinfo:
         m.fixed_mutator_a(np.array([[1, 2], [3, 4]], dtype="float32"))
     assert (
-        "(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float32, \"[5, 6]\", \"flags.writeable\"]) -> None"
+        '(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float32, "[5, 6]", "flags.writeable"]) -> None'
         in str(excinfo.value)
     )
     zr.flags.writeable = False
@@ -635,16 +635,16 @@ def test_nocopy_wrapper():
     with pytest.raises(TypeError) as excinfo:
         m.get_elem_nocopy(int_matrix_colmajor)
     assert "get_elem_nocopy(): incompatible function arguments." in str(excinfo.value)
-    assert ", \"flags.f_contiguous\"" in str(excinfo.value)
+    assert ', "flags.f_contiguous"' in str(excinfo.value)
     assert m.get_elem_nocopy(dbl_matrix_colmajor) == 8
     with pytest.raises(TypeError) as excinfo:
         m.get_elem_nocopy(int_matrix_rowmajor)
     assert "get_elem_nocopy(): incompatible function arguments." in str(excinfo.value)
-    assert ", \"flags.f_contiguous\"" in str(excinfo.value)
+    assert ', "flags.f_contiguous"' in str(excinfo.value)
     with pytest.raises(TypeError) as excinfo:
         m.get_elem_nocopy(dbl_matrix_rowmajor)
     assert "get_elem_nocopy(): incompatible function arguments." in str(excinfo.value)
-    assert ", \"flags.f_contiguous\"" in str(excinfo.value)
+    assert ', "flags.f_contiguous"' in str(excinfo.value)
 
     # For the row-major test, we take a long matrix in row-major, so only the third is allowed:
     with pytest.raises(TypeError) as excinfo:
@@ -652,20 +652,20 @@ def test_nocopy_wrapper():
     assert "get_elem_rm_nocopy(): incompatible function arguments." in str(
         excinfo.value
     )
-    assert ", \"flags.c_contiguous\"" in str(excinfo.value)
+    assert ', "flags.c_contiguous"' in str(excinfo.value)
     with pytest.raises(TypeError) as excinfo:
         m.get_elem_rm_nocopy(dbl_matrix_colmajor)
     assert "get_elem_rm_nocopy(): incompatible function arguments." in str(
         excinfo.value
     )
-    assert ", \"flags.c_contiguous\"" in str(excinfo.value)
+    assert ', "flags.c_contiguous"' in str(excinfo.value)
     assert m.get_elem_rm_nocopy(int_matrix_rowmajor) == 8
     with pytest.raises(TypeError) as excinfo:
         m.get_elem_rm_nocopy(dbl_matrix_rowmajor)
     assert "get_elem_rm_nocopy(): incompatible function arguments." in str(
         excinfo.value
     )
-    assert ", \"flags.c_contiguous\"" in str(excinfo.value)
+    assert ', "flags.c_contiguous"' in str(excinfo.value)
 
 
 def test_eigen_ref_life_support():
diff --git a/tests/test_eigen_tensor.py b/tests/test_eigen_tensor.py
index 527c45d1de..67c2796103 100644
--- a/tests/test_eigen_tensor.py
+++ b/tests/test_eigen_tensor.py
@@ -272,23 +272,23 @@ def test_round_trip_references_actually_refer(m):
 def test_doc_string(m, doc):
     assert (
         doc(m.copy_tensor)
-        == "copy_tensor() -> typing.Annotated[numpy.typing.NDArray[numpy.float64], \"[?, ?, ?]\"]"
+        == 'copy_tensor() -> typing.Annotated[numpy.typing.NDArray[numpy.float64], "[?, ?, ?]"]'
     )
     assert (
         doc(m.copy_fixed_tensor)
-        == "copy_fixed_tensor() -> typing.Annotated[numpy.typing.NDArray[numpy.float64], \"[3, 5, 2]\"]"
+        == 'copy_fixed_tensor() -> typing.Annotated[numpy.typing.NDArray[numpy.float64], "[3, 5, 2]"]'
     )
     assert (
         doc(m.reference_const_tensor)
-        == "reference_const_tensor() -> typing.Annotated[numpy.typing.NDArray[numpy.float64], \"[?, ?, ?]\"]"
+        == 'reference_const_tensor() -> typing.Annotated[numpy.typing.NDArray[numpy.float64], "[?, ?, ?]"]'
     )
 
-    order_flag = f"\"flags.{m.needed_options.lower()}_contiguous\""
+    order_flag = f'"flags.{m.needed_options.lower()}_contiguous"'
     assert doc(m.round_trip_view_tensor) == (
-        f"round_trip_view_tensor(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float64, \"[?, ?, ?]\", \"flags.writeable\", {order_flag}])"
-        f" -> typing.Annotated[numpy.typing.NDArray[numpy.float64], \"[?, ?, ?]\", \"flags.writeable\", {order_flag}]"
+        f'round_trip_view_tensor(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float64, "[?, ?, ?]", "flags.writeable", {order_flag}])'
+        f' -> typing.Annotated[numpy.typing.NDArray[numpy.float64], "[?, ?, ?]", "flags.writeable", {order_flag}]'
     )
     assert doc(m.round_trip_const_view_tensor) == (
-        f"round_trip_const_view_tensor(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float64, \"[?, ?, ?]\", {order_flag}])"
-        " -> typing.Annotated[numpy.typing.NDArray[numpy.float64], \"[?, ?, ?]\"]"
+        f'round_trip_const_view_tensor(arg0: typing.Annotated[numpy.typing.ArrayLike, numpy.float64, "[?, ?, ?]", {order_flag}])'
+        ' -> typing.Annotated[numpy.typing.NDArray[numpy.float64], "[?, ?, ?]"]'
     )