md5 strange error

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now i have Fedora 12
Now when i try to use md5 , python say :
 python
Python 2.6.2 (r262:71600, Aug 21 2009, 12:22:21)
[GCC 4.4.1 20090818 (Red Hat 4.4.1-6)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import md5
__main__:1: DeprecationWarning: the md5 module is deprecated; use
hashlib instead
>>> import md5
>>>

Why ?