diff --git a/include/pybind11/stl.h b/include/pybind11/stl.h index cb29b1dc..e7a2d3e4 100644 --- a/include/pybind11/stl.h +++ b/include/pybind11/stl.h @@ -1,3 +1,5 @@ +#pragma once + #include "pybind11.h" #include