code: def native_(s, encoding='latin-1', errors='strict'):
      '''
      Python 3: If ``s`` is an instance of ``text_type``, return ``s``, otherwise
      return ``str(s, encoding, errors)``
  
      Python 2: If ``s`` is an instance of ``text_type``, return
      ``s.encode(encoding, errors)``, otherwise return ``str(s)``
      '''
      if PY3:
          out = s if isinstance(s, text_type) else str(s, encoding, errors)
      else:
          out = s.encode(encoding, errors) if isinstance(s, text_type) else str(s)
  
      return ouf native_(s, encoding='latin-1', errors='strict'):
      '''
      Python 3: If ``s`` is an instance of ``text_type``, return ``s``, otherwise
      return ``str(s, encoding, errors)``
  
      Python 2: If ``s`` is an instance of ``text_type``, return
      ``s.encode(encoding, errors)``, otherwise return ``str(s)``
      '''
      if PY3:
          out = s if isinstance(s, text_type) else str(s, encoding, errors)
      else:
          out = s.encode(encoding, errors) if isinstance(s, text_type) else str(s)
  
      return out
docs: Python 3: If ``s`` is an instance of ``text_type``, return ``s``, otherwise
      return ``str(s, encoding, errors)``
  
      Python 2: If ``s`` is an instance of ``text_type``, return
      ``s.encode(encoding, errors)``, otherwise return ``str(s)``