Method __enter__

crates/stdlib/src/select.rs:729–732

(zelf: PyRef<Self>, vm: &VirtualMachine)

            #[pymethod]
            fn __enter__(zelf: PyRef<Self>, vm: &VirtualMachine) -> PyResult<PyRef<Self>> {
                zelf.get_epoll(vm)?;
                Ok(zelf)
            }

            #[pymethod]
            fn __exit__(