Method check_init

crates/vm/src/stdlib/_io.rs:833–844

(&self, vm: &VirtualMachine)

    impl BufferedData {
        fn check_init(&self, vm: &VirtualMachine) -> PyResult<&PyObject> {
            if let Some(raw) = &self.raw {
                Ok(raw)
            } else {
                let msg = if self.flags.contains(BufferedFlags::DETACHED) {
                    "raw stream has been detached"
                } else {
                    "I/O operation on uninitialized object"
                };
                Err(vm.new_value_error(msg))
            }
        }

        #[inline]
        const fn writable(&self) -> bool {