code: def test_jit(self):
      @nnx.dataclass
      class Foo(nnx.Pytree):
          a: int = nnx.treenode_field()
          b: int = nnx.field()
  
      module = Foo(a=1, b=2)
  
      @jax.jit
      def f(m: Foo):
          return m.a + m.b
  
      assert f(module) == 3
  
file_path: flax/flax/experimental/nnx/tests/test_pytree.py
imports: from typing import Generic, TypeVar
  import jax
  import pytest
  from flax import serialization
  from flax.experimental import nnx
label_desc: Use image node_id 3 for calling the TestPytree obj's underlying member method code with example usage: obj.test_jit() and returns: unknown