code: def test_forward_mode_error(self):
      # https://github.com/google/jax/issues/3558
  
      def f(k):
          return odeint(
              lambda x, t: k * x, 1.0, jnp.linspace(0, 1.0, 50)
          ).sum()
  
      with self.assertRaisesRegex(
          TypeError, "can't apply forward-mode.*"
      ):
          jax.jacfwd(f)(3.0)
  
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 12 for calling the ODETest obj's underlying member method code with example usage: obj.test_forward_mode_error() and returns: odeint