def load_pos_model(lang="en", version="2"):
  """Return a part of speech tagger parameters for `lang` and of version `version`

  Args:
    lang (string): language code.
    version (string): version of the parameters to be used.
  """
  src_dir = "pos{}".format(version)
  p = locate_resource(src_dir, lang)
  fh = _open(p)
  return dict(np.load(fh))