مشکل در نصب ibsng

سلام من میخوام روی cent os 64 bit برنامه ibsng رو نصب کنم
وقتی دستورت service IBSng start را میزنم خطای زیر رو میده

Starting IBSng Core: importing required files ...
forking ...
IBSng started with pid=27207
IBSng started with pid=0
Calling Initializer routins
Shutting down on error
Traceback (most recent call last):
File "/usr/local/IBSng/ibs.py", line 65, in start
mainThreadInitialize()
File "/usr/local/IBSng/ibs.py", line 40, in mainThreadInitialize
core.main.init()
File "/usr/local/IBSng/core/main.py", line 44, in init
core.admin.admin_main.init()
File "/usr/local/IBSng/core/admin/admin_main.py", line 18, in init
from core.admin.admin_actions import AdminActions
File "/usr/local/IBSng/core/admin/admin_actions.py", line 9, in <module>
from core.lib import iplib
File "/usr/local/IBSng/core/lib/iplib.py", line 5, in <module>
from core.lib import IPy
File "/usr/local/IBSng/core/lib/IPy.py", line 746
SyntaxError: Non-ASCII character '\xa0' in file /usr/local/IBSng/core/lib/IPy.py on line 747, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details (IPy.py, line 746)
IBSng Failed to start!
[FAILED]