code: def _pick_random_vector():
      """Creates a random vector with random shape."""
      tensor_size = np.random.randint(3)
      tensor_shape = np.random.randint(
          1, 10, size=(tensor_size)
      ).tolist()
      return np.random.normal(size=tensor_shape + [4])
  
file_path: graphics/tensorflow_graphics/util/tests/safe_ops_test.py
imports: from absl.testing import parameterized
  import numpy
  import tensorflow
  from tensorflow_graphics.util import asserts
  from tensorflow_graphics.util import safe_ops
  from tensorflow_graphics.util import test_case
label_desc: Use image node_id 1 for calling a global function with example usage: _pick_random_vector() and returns: np