From bc9315fe380138ac9b547dd01ac1394ccaf197ce Mon Sep 17 00:00:00 2001
From: Aaron Gokaslan <skylion.aaron@gmail.com>
Date: Wed, 13 Jul 2022 19:27:00 -0400
Subject: [PATCH] chore: optimize sparse matrix casting with python tuple
 (#4064)

* optimize casting of sparse Eigen arrays

* move array

* Revert for safety
---
 include/pybind11/eigen.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/pybind11/eigen.h b/include/pybind11/eigen.h
index 71df3eb8b..4d221b3d7 100644
--- a/include/pybind11/eigen.h
+++ b/include/pybind11/eigen.h
@@ -692,9 +692,9 @@ struct type_caster<Type, enable_if_t<is_eigen_sparse<Type>::value>> {
         array outerIndices((rowMajor ? src.rows() : src.cols()) + 1, src.outerIndexPtr());
         array innerIndices(src.nonZeros(), src.innerIndexPtr());
 
-        return matrix_type(std::make_tuple(
+        return matrix_type(pybind11::make_tuple(
                                std::move(data), std::move(innerIndices), std::move(outerIndices)),
-                           std::make_pair(src.rows(), src.cols()))
+                           pybind11::make_tuple(src.rows(), src.cols()))
             .release();
     }