code: def test_images() -> None:
      func = core.Image()
      x = 7 * np.fabs(np.random.normal(size=func.domain_shape))
      # data = func.parametrization.spawn_child().set_standardized_data(x.flatten()).value
      value = func(
          x
      )  # should not touch boundaries, so value should be < np.inf
      assert isinstance(value, float)
      assert value < np.inf
      other_func = func.copy()
      value2 = other_func(x)
      assert value == value2
  
imports: import numpy
  from .None import core
label_desc: Use image node_id 3 for calling a global function with example usage: test_images() without return types