Constant Py_TPFLAGS_DISALLOW_INSTANTIATION
pub const Py_TPFLAGS_DISALLOW_INSTANTIATION: u32 = _; // 128u32Available on
Py_3_10 and crate feature tls only.pub const Py_TPFLAGS_DISALLOW_INSTANTIATION: u32 = _; // 128u32Py_3_10 and crate feature tls only.