From 3a4a744611b8cb6af55dddaa6269c9a2f452a378 Mon Sep 17 00:00:00 2001
From: Brian Kelley <fustigator@gmail.com>
Date: Mon, 27 May 2024 22:39:54 -0400
Subject: [PATCH] Allow the substruct library to be deleted when refcount goes
 to 0 (#7462)

* Allow the substruct library to be deleted when refcount goes to 0

* Remove whitespace changes

* Update Code/GraphMol/SubstructLibrary/Wrap/SubstructLibraryWrap.cpp

Co-authored-by: Greg Landrum <greg.landrum@gmail.com>

---------

Co-authored-by: Greg Landrum <greg.landrum@gmail.com>
---
 Code/GraphMol/SubstructLibrary/Wrap/SubstructLibraryWrap.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Code/GraphMol/SubstructLibrary/Wrap/SubstructLibraryWrap.cpp b/Code/GraphMol/SubstructLibrary/Wrap/SubstructLibraryWrap.cpp
index c4ee58a2c84..31ca35c17b7 100644
--- a/Code/GraphMol/SubstructLibrary/Wrap/SubstructLibraryWrap.cpp
+++ b/Code/GraphMol/SubstructLibrary/Wrap/SubstructLibraryWrap.cpp
@@ -743,8 +743,7 @@ struct substructlibrary_wrapper {
         python::init<>(python::args("self")))
         .def(python::init<unsigned int>(python::args("self", "numBits")));
 
-    python::class_<SubstructLibraryWrap, SubstructLibraryWrap *,
-                   const SubstructLibraryWrap *>(
+    python::class_<SubstructLibraryWrap, boost::shared_ptr<SubstructLibraryWrap>>(
         "SubstructLibrary", SubstructLibraryDoc,
         python::init<>(python::args("self")))
         .def(python::init<boost::shared_ptr<MolHolderBase>>(