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Thread sometimes bails with'Bad file descriptor'

See original GitHub issue

[paultag@cassiel:~][⌚ 12:24 AM] ♥  python
Python 3.4.3+ (default, Jul 28 2015, 13:17:50) 
[GCC 4.9.3] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import pychromecast
>>> pychromecast.get_chromecasts_as_dict()
{}
>>> Exception in thread Thread-3:
Traceback (most recent call last):
  File "/usr/lib/python3.4/threading.py", line 920, in _bootstrap_inner
    self.run()
  File "/home/paultag/.virtualenvs/cuttlebot/lib/python3.4/site-packages/zeroconf.py", line 1063, in run
    handler(self.zc)
  File "/home/paultag/.virtualenvs/cuttlebot/lib/python3.4/site-packages/zeroconf.py", line 1014, in <lambda>
    state_change=state_change,
  File "/home/paultag/.virtualenvs/cuttlebot/lib/python3.4/site-packages/zeroconf.py", line 931, in fire
    h(**kwargs)
  File "/home/paultag/.virtualenvs/cuttlebot/lib/python3.4/site-packages/zeroconf.py", line 989, in on_change
    listener.add_service(*args)
  File "/home/paultag/.virtualenvs/cuttlebot/lib/python3.4/site-packages/pychromecast/discovery.py", line 34, in add_service
    service = zconf.get_service_info(typ, name)
  File "/home/paultag/.virtualenvs/cuttlebot/lib/python3.4/site-packages/zeroconf.py", line 1398, in get_service_info
    if info.request(self, timeout):
  File "/home/paultag/.virtualenvs/cuttlebot/lib/python3.4/site-packages/zeroconf.py", line 1221, in request
    zc.send(out)
  File "/home/paultag/.virtualenvs/cuttlebot/lib/python3.4/site-packages/zeroconf.py", line 1657, in send
    bytes_sent = s.sendto(packet, 0, (addr, port))
OSError: [Errno 9] Bad file descriptor