docs: def _pystate_to_npstate(pystate):
      """
      Convert state of a Python Random object to state usable
      by NumPy RandomState.
  
      References:
          https://stackoverflow.com/questions/44313620/converting-randomstate
  
      Example:
          >>> # ENABLE_DOCTEST
          >>> from utool.util_numpy import *  # NOQA
          >>> from utool.util_numpy import _pystate_to_npstate
          >>> py_rng = random.Random(0)
          >>> np_rng = np.random.RandomState(seed=0)
          >>> pystate = py_rng.getstate()
          >>> npstate = _pystate_to_npstate(pystate)
          >>> np_rng.set_state(npstate)
          >>> assert np_rng.rand() == py_rng.random()
      """
      NP_VERSION = 'MT19937'
      version, keys_pos_, cached_gaussian_ = pystate
      keys, pos = keys_pos_[:-1], keys_pos_[-1]
      keys = np.array(keys, dtype=np.uint32)
      has_gauss = cached_gaussian_ is not None
      cached_gaussian = cached_gaussian_ if has_gauss else 0.0
      npstate = (NP_VERSION, keys, pos, has_gauss, cached_gaussian)
      return npstate