code: def _variable_flatten(x: Variable[tp.Any], *, with_keys: bool):
      attributes = vars(x).copy()
      value = attributes.pop("value")
      if with_keys:
          node = (jtu.GetAttrKey("value"), value)
      else:
          node = value
  
      return (node,), attributes
  
imports: import dataclasses
  import functools
  import typing
  from abc import ABCMeta
  from functools import partial
  from typing import Any
  import jax
  import jax.tree_util
  from flax.experimental.nnx.nnx import reprlib
label_desc: Use image node_id 1 for calling a global function with example usage: _variable_flatten(x) and returns: node,  attributes