kali linux 64bit 2019.1a下启动bbqsql：No module named coros

kali linux 64bit 2019.1a下bbqsql启动失败，错误：

File "/usr/local/lib/python2.7/dist-packages/bbqsql/lib/technique.py", line 8, in 
from gevent.coros import Semaphore
ImportError: No module named coros

解决方法：
将文件/usr/local/lib/python2.7/dist-packages/bbqsql/lib/technique.py出错的第八行替换为：

from gevent.lock import Semaphore