我已经安装了python-qt4，但是一旦导入它就会出现分段错误。有谁知道可能出现的问题，或者我将如何进一步排除故障？我对qt不是很熟悉。谢谢！
$ python
Python 2.7.6 (default, Jun 22 2015, 17:58:13)
[GCC 4.8.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from PyQt4.QtGui import *
Segmentation fault