code: def safe_unichr(codepoint):
      
      if is_py2_narrow_build():
          return ("\\U%08x" % codepoint).decode("unicode-escape")
      elif PY2:
          return unichr(codepoint)
      return chr(codepoint)
docs: Safely return a Unicode string of length one,
      containing the Unicode character with given codepoint.
  
      :param int codepoint: the codepoint
      :rtype: string