Description:

livestreamer won't run, and fails immediately with a Python error.

Additional info:
* package version(s): community/livestreamer 1.12.2-2, rest of system is up to date
* PYTHONPATH=/usr/lib/python2.7/site-packages:/usr/lib/python2.7/site-packages:/usr/lib/python2.7/site-packages:

Steps to reproduce:

1. Install livestreamer
2. Run /usr/bin/livestreamer
3. See errors:

Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/enum/__init__.py", line 371, in __getattr__
return cls._member_map_[name]
KeyError: '_convert'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/bin/livestreamer", line 5, in <module>
from pkg_resources import load_entry_point
File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 34, in <module>
import platform
File "/usr/lib/python3.5/platform.py", line 117, in <module>
import sys, os, re, subprocess
File "/usr/lib/python3.5/subprocess.py", line 364, in <module>
import signal
File "/usr/lib/python3.5/signal.py", line 8, in <module>
_IntEnum._convert(
File "/usr/lib/python2.7/site-packages/enum/__init__.py", line 373, in __getattr__
raise AttributeError(name)
AttributeError: _convert

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