"ZMQError: operation not supported" with taskmaster.sample while finishing task queue

[tenuki]

It seems that when running the taskmaster.sample when the task queue goes empty, it seems to perform an invalid operation.

Error output is:

(django3)user@hostname:~/envs/django3$ tm-master taskmaster.example --reset
/home/user/envs/django3/local/lib/python2.7/site-packages/taskmaster/example.state
Running with options: {}Queue: 0     / 10000 | Rate:  --/s | Elapsed Time: 0:00:00                                                                    
Traceback (most recent call last): 0     / 10000 | Rate:  2615.13/s | Elapsed Time: 0:00:07                                                           
  File "/home/user/envs/django3/local/lib/python2.7/site-packages/gevent/greenlet.py", line 327, in run
    result = self._run(*self.args, **self.kwargs)
  File "/home/user/envs/django3/local/lib/python2.7/site-packages/taskmaster/server.py", line 59, in start
    cmd, data = self.recv()
  File "/home/user/envs/django3/local/lib/python2.7/site-packages/taskmaster/server.py", line 38, in recv
    reply = self.server.recv_multipart()
  File "/home/user/envs/django3/local/lib/python2.7/site-packages/gevent_zeromq/core.py", line 162, in recv_multipart
    msg = super(GreenSocket, self).recv_multipart(*args, **kwargs)
  File "/home/user/envs/django3/local/lib/python2.7/site-packages/zmq/core/pysocket.py", line 210, in recv_multipart
    parts = [self.recv(flags, copy=copy, track=track)]
  File "/home/user/envs/django3/local/lib/python2.7/site-packages/gevent_zeromq/core.py", line 136, in recv
    return super(GreenSocket, self).recv(flags, copy, track)
  File "socket.pyx", line 538, in zmq.core.socket.Socket.recv (zmq/core/socket.c:5204)
  File "socket.pyx", line 569, in zmq.core.socket.Socket.recv (zmq/core/socket.c:5013)
  File "socket.pyx", line 84, in zmq.core.socket._check_closed (zmq/core/socket.c:1106)
ZMQError: Operation not supported
<Greenlet at 0x7fc422d22050: <bound method Server.start of <taskmaster.server.Server object at 0x7fc425ac7ed0>>> failed with ZMQError

Completed Tasks: 19999 | In-Queue: 0     / 10000 | Rate:  2646.77/s | Elapsed Time: 0:00:07                                                           

Actual packages version:

(django3)user@hostname:~/envs/django3$ pip freeze
Django==1.8.2
gevent==1.0.2
gevent-zeromq==0.2.5
greenlet==0.4.7
oauthlib==0.7.2
progressbar==2.3
pyzmq==2.2.0
requests==2.7.0
six==1.9.0
taskmaster==0.8.2
virtualenv==13.0.3

Seem a lot like #2 but I was unable to check that ticket's error message, and it is happening with version 0.8.2.