code: def _setattr(self: P, name: str, value: tp.Any):
      vars_dict = vars(self)
      if "_pytree__initializing" in vars_dict:
          pass
      elif name not in vars_dict:
          raise AttributeError(
              r"Cannot add new fields to an initialized Pytree"
          )
      elif (
          "_pytree__is_mutable" not in vars_dict
          and not self._pytree__class_is_mutable
      ):
          raise AttributeError(
              f"{type(self)} is immutable, trying to update field {name}"
          )
  
      if name in vars_dict:
          if isinstance(
              variable := vars_dict[name], variables.Variable
          ):
              if isinstance(value, variables.Variable):
                  if type(value) != type(variable):
                      raise ValueError(
                          f"Trying to assign a Variable of type '{type(value).__name__}' "
                          f"to the Module attribute '{name}' of a different type "
                          f"'{type(variable).__name__}'."
                      )
                  vars_dict[name] = value
              else:
                  variable.set_value(value)
          else:
              vars_dict[name] = value
      else:
          if isinstance(value, (jax.Array, np.ndarray, State)):
              raise ValueError(
                  f"Trying to assign a '{type(value).__name__}' to the Module"
                  f" attribute '{name}'. This is not supported. Non-hashable "
                  "objects are not valid static state in JAX. Please wrap "
                  "the value in a Variable type instead."
              )
          vars_dict[name] = value
  
imports: import contextlib
  import dataclasses
  import importlib.util
  import inspect
  import typing
  from abc import ABCMeta
  from copy import copy
  from functools import partial
  from types import MappingProxyType
  import jax
  import numpy
  from flax.experimental.nnx.nnx import module
  from flax.experimental.nnx.nnx import reprlib, variables
  from flax.experimental.nnx.nnx.state import State
label_desc: Use image node_id 1 for calling the Pytree obj's underlying member method code with example usage: obj._setattr(name, value) without return types