执行如下命令即可：

cd /usr/local/lib
rm libcurl.so.4
ln -s /usr/lib64/libcurl.so.4.1.1 libcurl.so.4
ldd /usr/lib64/python2.6/site-packages/pycurl.so

参考：http://kb.sau.net.au/article/fatal-python-error-pycurl-libcurl-link-time-version-is-older-than-compile-time-version-325.html