No module named iotop.ui

[root@linuxhub ~]# iotop
No module named iotop.ui
To run an uninstalled copy of iotop,
launch iotop.py in the top directory

#出错原因升级了python版本.
#之前是python2.6升级到python2.7.9

解决:
vim /usr/bin/iotop #指定之前的python版本即可

#!/usr/bin/python2.6