我在ubuntu11.10上运行skyeye，遇到 PyFloat_Type未定义问题，是不是缺少包，但是又不知道是什么包，各位大虾，有没有知道的？
skyeye@skyeye-VirtualBox:~/skyeye/testsuite/arm_hello$ /opt/skyeye/bin/skyeye -e arm_hello
SkyEye 1.3.4
SkyEye is an Open Source project under GPL. All rights of different parts or modules are reserved by their author. Any modification or redistributions of SkyEye should not remove or modify the annoucement of SkyEye copyright.
Get more information about it, please visit the homepage http://www.
Type "help" to get command list.
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/opt/skyeye/bin/skyeye_cli.py", line 4, in <module>
from skyeye_common_module import *
File "/opt/skyeye/bin/skyeye_common_module.py", line 3, in <module>
from ctypes import *
File "/usr/lib/python2.7/ctypes/__init__.py", line 10, in <module>
from _ctypes import Union, Structure, Array
ImportError: /usr/lib/python2.7/lib-dynload/_ctypes.so: undefined symbol: PyFloat_Type

sxq@linux-smmr:/srv/ftp/skyeye-1.3.4> readelf -s /usr/lib/python2.6/lib-dynload/_ctypes.so | grep PyFloat_Type
    65: 00000000     0 OBJECT  GLOBAL DEFAULT  UND PyFloat_Type
sxq@linux-smmr:/srv/ftp/skyeye-1.3.4>