python升级后导致iotop命令无法使用

[root@oracle11g support-files]# iotop -u mysql
  File "/usr/sbin/iotop", line 10
    except ImportError, e:
                      ^
SyntaxError: invalid syntax
[root@oracle11g support-files]# iotop -u mysql
  File "/usr/sbin/iotop", line 10
    except ImportError, e:
                      ^
SyntaxError: invalid syntax
[root@oracle11g support-files]# iotop
  File "/usr/sbin/iotop", line 10
    except ImportError, e:
                      ^
SyntaxError: invalid syntax

[root@oracle11g support-files]# cat /usr/sbin/iotop
#!/usr/bin/python2.6
# iotop: Display I/O usage of processes in a top like UI
# Copyright (c) 2007, 2008 Guillaume Chazarain <guichaz@gmail.com>, GPLv2
# See iotop --help for some help

import sys

try:
    from iotop.ui import main
except ImportError, e:
    print e
    print ‘To run an uninstalled copy of iotop,‘
    print ‘launch iotop.py in the top directory‘
else:
    try:
        main()
    except KeyboardInterrupt:
        pass
    sys.exit(0)