pub unsafe fn Py_SIZE(ob: *mut PyObject) -> Py_ssize_tAvailable on non-
RustPython and not (Py_3_15 and Py_LIMITED_API) only.pub unsafe fn Py_SIZE(ob: *mut PyObject) -> Py_ssize_tRustPython and not (Py_3_15 and Py_LIMITED_API) only.