--- a/src/py-opentimelineio/opentimelineio-bindings/otio_imath.cpp
+++ b/src/py-opentimelineio/opentimelineio-bindings/otio_imath.cpp
@@ -22,7 +22,7 @@ _type_checked(py::object const& rhs, cha
     catch (...)
     {
         std::string rhs_type =
-            py::cast<std::string>(rhs.get_type().attr("__name__"));
+            py::cast<std::string>(py::type::of(rhs).attr("__name__"));
         throw py::type_error(string_printf(
             "Unsupported operand type(s) for %s: "
             "%s and %s",
@@ -111,14 +111,14 @@ define_imath_2d(py::module m)
             [](IMATH_NAMESPACE::V2d* v, IMATH_NAMESPACE::V2d const& v2) {
                 return v->cross(v2);
             })
-        .def("length", &IMATH_NAMESPACE::V2d::length)
-        .def("length2", &IMATH_NAMESPACE::V2d::length2)
-        .def("normalize", &IMATH_NAMESPACE::V2d::normalize)
-        .def("normalizeExc", &IMATH_NAMESPACE::V2d::normalizeExc)
-        .def("normalizeNonNull", &IMATH_NAMESPACE::V2d::normalizeNonNull)
-        .def("normalized", &IMATH_NAMESPACE::V2d::normalized)
-        .def("normalizedExc", &IMATH_NAMESPACE::V2d::normalizedExc)
-        .def("normalizedNonNull", &IMATH_NAMESPACE::V2d::normalizedNonNull)
+        .def("length", [](IMATH_NAMESPACE::V2d const& v) {return v.length();})
+        .def("length2", [](IMATH_NAMESPACE::V2d const& v) {return v.length2();})
+        .def("normalize", [](IMATH_NAMESPACE::V2d& v) {return v.normalize();})
+        .def("normalizeExc", [](IMATH_NAMESPACE::V2d& v) {return v.normalizeExc();})
+        .def("normalizeNonNull", [](IMATH_NAMESPACE::V2d& v) {return v.normalizeNonNull();})
+        .def("normalized", [](IMATH_NAMESPACE::V2d const& v) {return v.normalized();})
+        .def("normalizedExc", [](IMATH_NAMESPACE::V2d const& v) {return v.normalizedExc();})
+        .def("normalizedNonNull", [](IMATH_NAMESPACE::V2d const& v) {return v.normalizedNonNull();})
         .def_static(
             "baseTypeLowest",
             []() { return IMATH_NAMESPACE::V2d::baseTypeLowest(); })
@@ -153,7 +153,7 @@ define_imath_2d(py::module m)
             [](IMATH_NAMESPACE::Box2d lhs, py::object const& rhs) {
                 return lhs != _type_checked<IMATH_NAMESPACE::Box2d>(rhs, "!=");
             })
-        .def("center", &IMATH_NAMESPACE::Box2d::center)
+        .def("center", [](IMATH_NAMESPACE::Box2d const& box) {return box.center();})
         .def(
             "extendBy",
             [](IMATH_NAMESPACE::Box2d* box, IMATH_NAMESPACE::V2d const& point) {