Function PyErr_WarnExplicitObject 

pub unsafe extern "C" fn PyErr_WarnExplicitObject(
    category: *mut PyObject,
    message: *mut PyObject,
    filename: *mut PyObject,
    lineno: c_int,
    module: *mut PyObject,
    registry: *mut PyObject,
) -> c_int

Available on non-Py_LIMITED_API only.