code: def test_no_trace_level_error_on_grad(self):
      # No trace level error occurs because jax doesn't update
      # its top trace for grad.
      m = nnx.Dict(a=nnx.Param(1.0))
  
      @jax.grad
      def f(_):
          m.a = 2.0
          return 1.0
  
      f(1.0)
  
imports: import dataclasses
  from copy import deepcopy
  from typing import Any, TypeVar
  import jax
  import jax.numpy
  import pytest
  from flax.experimental import nnx
label_desc: Use image node_id 6 for calling the TestModule obj's underlying member method code with example usage: obj.test_no_trace_level_error_on_grad() and returns: int