code: def pytree_flatten(obj):
      """Flatten method for JAX pytrees."""
      # pylint: disable=protected-access
      components = obj._type_spec._to_components(obj)
  
      if components:
          keys, values = zip(*components.items())
      else:
          keys, values = (), ()
  
      metadata = dict(
          non_tensor_params=obj._type_spec._non_tensor_params,
          callable_params=obj._type_spec._callable_params,
      )
      return values, (keys, metadata)
  
imports: import contextlib
  import functools
  import threading
  import numpy
  import tensorflow.compat.v2
  from tensorflow.python.framework import composite_tensor
  from tensorflow.python.framework import type_spec
  from tensorflow.python.framework import type_spec_registry
  from tensorflow.python.ops import resource_variable_ops
  from tensorflow.python.util import tf_inspect
  from tensorflow.python.util import variable_utils
label_desc: Use image node_id 10 for calling a global function with example usage: pytree_flatten(obj) and returns: values,  keys,  metadata