code: def _get_random_radii():
      return np.random.rand(*RADII_SHAPE).astype("float32")
  
imports: from absl.testing import parameterized
  import numpy
  import tensorflow
  from tensorflow_graphics.rendering.camera import quadratic_radial_distortion
  from tensorflow_graphics.util import test_case
label_desc: Use image node_id 1 for calling a global function with example usage: _get_random_radii() and returns: np