ImportError: No module named urllib.parse

[firetaker]

# python 
Python 2.6.6 (r266:84292, Dec  7 2011, 20:48:22) 
[GCC 4.4.6 20110731 (Red Hat 4.4.6-3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from qcloud_cos import CosConfig 
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "qcloud_cos/__init__.py", line 1, in <module>
    from .cos_client import CosS3Client
  File "qcloud_cos/cos_client.py", line 14, in <module>
    from six.moves.urllib.parse import quote, unquote
ImportError: No module named urllib.parse
>>>