Method of

include/pybind11/pytypes.h:1617–1617

Return a type object from a handle or an object

    /// Return a type object from a handle or an object
    static type of(handle h) { return type(type::handle_of(h), borrowed_t{}); }

    // Defined in pybind11/cast.h
    /// Convert C++ type to handle if previously registered. Does not convert