code: def test_closure_nondiff(self):
      # https://github.com/google/jax/issues/3584
  
      def dz_dt(z, t):
          return jnp.stack([z[0], z[1]])
  
      def f(z):
          y = odeint(dz_dt, z, jnp.arange(10.0))
          return jnp.sum(y)
  
      jax.grad(f)(jnp.ones(2))
  
imports: from functools import partial
  from absl.testing import absltest
  import numpy
  import jax
  from jax._src import test_util
  import jax.numpy
  from jax.experimental.ode import odeint
  from jax.tree_util import tree_map
  import scipy.integrate
  from jax import config
label_desc: Use image node_id 13 for calling the ODETest obj's underlying member method code with example usage: obj.test_closure_nondiff() and returns: jnp, jnp