code: def testUpdateFunStructureMismatchErrorMessage(self):
      @optimizers.optimizer
      def opt_maker():
          def init_fun(x0):
              return {"x": x0}
  
          def update_fun(i, g, opt_state):
              x = opt_state["x"]
              return {"x": x - 0.1 * g, "v": g}  # bug!
  
          def get_params(opt_state):
              return opt_state["x"]
  
          return init_fun, update_fun, get_params
  
      init_fun, update_fun, get_params = opt_maker()
      opt_state = init_fun(jnp.zeros(3))
      self.assertRaises(TypeError, lambda: update_fun(opt_state))
  
imports: import functools
  from absl.testing import absltest
  import numpy
  import jax.numpy
  import jax._src.test_util
  from jax import jit, grad, jacfwd, jacrev
  from jax import tree_util
  from jax import lax
  from jax.example_libraries import optimizers
  from jax import config
label_desc: Use image node_id 23 for calling the OptimizerTests obj's underlying member method code with example usage: obj.testUpdateFunStructureMismatchErrorMessage() and returns: init_fun,  update_fun,  get_params, dict, dict, opt_state