code: def test_assert():
      # from https://github.com/HIPS/autograd/issues/43
      def fun(x):
          assert np.allclose(x, (x * 3.0) / 3.0)
          return np.sum(x)
  
      check_grads(fun)(np.array([1.0, 2.0, 3.0]))
  
file_path: autograd/tests/test_logic.py
imports: from __future__ import division
  from contextlib import contextmanager
  import pytest
  import warnings
  import autograd.numpy
  from autograd import grad, deriv
  from autograd.extend import primitive
  from autograd.test_util import check_grads
  from autograd.core import primitive_vjps
label_desc: Use image node_id 1 for calling a global function with example usage: test_assert() and returns: np