Issue with authentication

[ediskandarov]

Traceback (most recent call last):
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/tornado/web.py", line 1415, in _execute
    result = yield result
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/tornado/gen.py", line 870, in run
    value = future.result()
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/tornado/concurrent.py", line 215, in result
    raise_exc_info(self._exc_info)
  File "<string>", line 3, in raise_exc_info
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/tornado/gen.py", line 876, in run
    yielded = self.gen.throw(*exc_info)
  File "/home/e.iskandarov/workspace/icq-complaints/icq/main.py", line 76, in post
    yield self.handle_spam(complaint, insert_id, result)
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/tornado/gen.py", line 870, in run
    value = future.result()
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/tornado/concurrent.py", line 215, in result
    raise_exc_info(self._exc_info)
  File "<string>", line 3, in raise_exc_info
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/tornado/gen.py", line 879, in run
    yielded = self.gen.send(value)
  File "/home/e.iskandarov/workspace/icq-complaints/icq/main.py", line 268, in handle_spam
    yield from self.tnt.call(self.tnt_put_routine , data)
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/aiotarantool.py", line 323, in call
    resp = yield from self._send_request(RequestCall(self, func_name, args))
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/aiotarantool.py", line 254, in _send_request
    yield from self.connect()
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/aiotarantool.py", line 180, in connect
    yield from self.authenticate(self.user, self.password)
  File "/home/e.iskandarov/.virtualenvs/icq/lib/python3.4/site-packages/aiotarantool.py", line 353, in authenticate
    resp = yield from self._send_request(RequestAuthenticate(self, self._salt, self.user, self.password))
AttributeError: 'Connection' object has no attribute '_salt'