1 files changed, 1 insertions, 0 deletions
diff --git a/3rdparty/pybind11/tests/test_call_policies.cpp b/3rdparty/pybind11/tests/test_call_policies.cpp
index fd245578..26c83f81 100644
--- a/3rdparty/pybind11/tests/test_call_policies.cpp
+++ b/3rdparty/pybind11/tests/test_call_policies.cpp
@@ -46,6 +46,7 @@ TEST_SUBMODULE(call_policies, m) {
     class Parent {
     public:
         Parent() { py::print("Allocating parent."); }
+        Parent(const Parent& parent) = default;
         ~Parent() { py::print("Releasing parent."); }
         void addChild(Child *) { }
         Child *returnChild() { return new Child(); }