code: def test_vmap_should_transform_name_stack(self):
      @jax.vmap
      def f(x):
          with jax.named_scope("foo"):
              return x + 1
  
      jaxpr = jax.make_jaxpr(f)(jnp.ones(2)).jaxpr
      self.assertEqual(
          str(jaxpr.eqns[0].source_info.name_stack), "vmap(foo)"
      )
  
imports: import functools
  from absl.testing import absltest
  import jax
  import jax.numpy
  from jax._src import core
  from jax import lax
  from jax._src.pjit import pjit
  from jax._src import linear_util
  from jax import config
  from jax._src import test_util
  from jax._src.lib import xla_client
label_desc: Use image node_id 1 for calling the NameStackTransformationTest obj's underlying member method code with example usage: obj.test_vmap_should_transform_name_stack() and returns: unknown