code: def test_pow():
      fun = lambda x, y: x**y
      make_positive = (
          lambda x: np.abs(x) + 1.1
      )  # Numeric derivatives fail near zero
      for arg1, arg2 in arg_pairs():
          arg1 = make_positive(arg1)
          check_grads(fun)(arg1, arg2)
  
file_path: autograd/tests/test_binary_ops.py
imports: from __future__ import absolute_import
  from __future__ import print_function
  import warnings
  import autograd.numpy
  import autograd.numpy.random
  import itertools
  from autograd.test_util import check_grads
  from autograd import grad, value_and_grad
label_desc: Use image node_id 7 for calling a global function with example usage: test_pow() without return types