code: def process_rng(rng):
      if rng is True:
          rng = np.random.RandomState(1223)
      return rng
  
imports: import pytest
  import numpy
  import nnabla
  import nnabla.functions
  import nnabla.parametric_functions
  import nnabla.initializer
  from nnabla.testing import assert_allclose
  from nbla_test_utils import list_context
label_desc: Use image node_id 3 for calling a global function with example usage: process_rng(rng) and returns: rng