wifuzzit bug?

[xiaoyanguoke]

root@kali:~/wire-attack/wifuzzit# python wifuzzit_ap.py
Traceback (most recent call last):
File "wifuzzit_ap.py", line 4, in
from ap_requests import *
File "/root/wire-attack/wifuzzit/ap_requests.py", line 2, in
from ap_settings import *
File "/root/wire-attack/wifuzzit/ap_settings.py", line 18, in
AP_NUMBER = SETTINGS[TEST_SETTINGS_INDEX][0]
IndexError: list index out of range