possible error in ndscheduler/server/server.py

[pavelsr]

I tried to build app by Dockerfile and then run ndscheduler, after that I got following error:

Starting scheduler_1 ... done
Attaching to bankruptcy_api_scheduler_1
scheduler_1    | Traceback (most recent call last):
scheduler_1    |   File "/mnt/scheduler/src/ndscheduler/simple_scheduler/scheduler.py", line 3, in <module>
scheduler_1    |     from ndscheduler.server import server
scheduler_1    |   File "/mnt/scheduler/src/ndscheduler/ndscheduler/server/server.py", line 16, in <module>
scheduler_1    |     from ndscheduler.server.handlers import audit_logs
scheduler_1    |   File "/mnt/scheduler/src/ndscheduler/ndscheduler/server/handlers/audit_logs.py", line 6, in <module>
scheduler_1    |     import tornado.web
scheduler_1    |   File "/mnt/scheduler/local/lib/python2.7/site-packages/tornado/web.py", line 205
scheduler_1    |     application: "Application",
scheduler_1    |                ^
scheduler_1    | SyntaxError: invalid syntax