Error when import pycurl

[neil]

Guys, I meet a error when I import pycurl.

Python 2.5.2 (r252:60911, Sep  8 2008, 16:01:08)
[GCC 4.1.1 20070105 (Red Hat 4.1.1-52)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pycurl
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: /usr/local/lib/python2.5/site-packages/pycurl.so: undefined
symbol: curl_multi_socket_action
>>>

The libcurl version is 7.19.0 and pycurl version is pycurl-7.19.0.

How can I solve this problem?
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