code: def testIsCloseEqualNan(self, equal_nan):
      a = np.asarray([1, 1, np.nan, 1, np.nan], np.float32)
      b = np.asarray([1, 2, 1, np.nan, np.nan], np.float32)
      self.match(
          np_math_ops.isclose(a, b, equal_nan=equal_nan),
          np.isclose(a, b, equal_nan=equal_nan),
      )
  
imports: import itertools
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops.numpy_ops import np_array_ops
  from tensorflow.python.ops.numpy_ops import np_arrays
  from tensorflow.python.ops.numpy_ops import np_math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 18 for calling the MathTest obj's underlying member method code with example usage: obj.testIsCloseEqualNan(equal_nan) without return types