code: def fixture_close() -> Callable:
      """
      Comparison function
      :returns: function that checks if two float arrays are close.
      """
  
      def close(x: np.ndarray, y: np.ndarray):
          """
          Check if two float arrays are close.
  
          :param x: first float array
          :param y: second float array
          :returns: true if they are close
          """
          assert x.shape == y.shape
          return np.testing.assert_array_almost_equal(x, y)
  
      return close
  
imports: from typing import Callable, Tuple, Any
  import numpy
  import pytest
  from art.attacks.evasion.laser_attack.laser_attack import LaserBeam, LaserBeamGenerator, LaserBeamAttack
  from art.attacks.evasion.laser_attack.utils import ImageGenerator
  from tests.utils import ARTTestException
label_desc: Use image node_id 1 for calling a global function with example usage: fixture_close() and returns: close, np