From 8e5dbeba57aa4fb087f3c28272fc005eefa8de0a Mon Sep 17 00:00:00 2001
From: Fan Jiang <i@fanjiang.me>
Date: Fri, 21 Aug 2020 11:57:01 -0400
Subject: [PATCH] Fix preamble.h

---
 python/gtsam/preamble.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/gtsam/preamble.h b/python/gtsam/preamble.h
index b67df2644..9f3032dd0 100644
--- a/python/gtsam/preamble.h
+++ b/python/gtsam/preamble.h
@@ -7,4 +7,5 @@ PYBIND11_MAKE_OPAQUE(std::vector<gtsam::Key>);
 #endif
 PYBIND11_MAKE_OPAQUE(std::vector<gtsam::Point2, Eigen::aligned_allocator<gtsam::Point2> >);
 PYBIND11_MAKE_OPAQUE(std::vector<gtsam::Pose3>);
-PYBIND11_MAKE_OPAQUE(std::vector<gtsam::BetweenFactor<gtsam::Pose3>>);
+PYBIND11_MAKE_OPAQUE(std::vector<boost::shared_ptr<gtsam::BetweenFactor<gtsam::Pose3> > >);
+PYBIND11_MAKE_OPAQUE(std::vector<boost::shared_ptr<gtsam::BetweenFactor<gtsam::Pose2> > >);