From 01ea31633654a137ed1cc7f74ffac5c2bec37648 Mon Sep 17 00:00:00 2001
From: Amado Antonini <amado.antonini@openspace.ai>
Date: Wed, 13 Jul 2022 08:33:09 -0400
Subject: [PATCH] Make vector<size_t> opaque

---
 python/gtsam/preamble/nonlinear.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/python/gtsam/preamble/nonlinear.h b/python/gtsam/preamble/nonlinear.h
index 34b864027..b50059a2e 100644
--- a/python/gtsam/preamble/nonlinear.h
+++ b/python/gtsam/preamble/nonlinear.h
@@ -10,4 +10,6 @@
  * Without this they will be automatically converted to a Python object, and all
  * mutations on Python side will not be reflected on C++.
  */
-#include <pybind11/stl.h>
\ No newline at end of file
+#include <pybind11/stl.h>
+
+PYBIND11_MAKE_OPAQUE(std::vector<size_t>);