Arch Linux

Description:

GNOME Music crashes on startup. Traceback

```
Traceback (most recent call last):
File "/usr/bin/gnome-music", line 82, in <module>
from gnomemusic.application import Application
File "/usr/lib/python3.5/site-packages/gnomemusic/application.py", line 37, in <module>
from gnomemusic.window import Window
File "/usr/lib/python3.5/site-packages/gnomemusic/window.py", line 39, in <module>
from gnomemusic.player import Player, SelectionToolbar
File "/usr/lib/python3.5/site-packages/gnomemusic/player.py", line 50, in <module>
import requests
File "/usr/lib/python3.5/site-packages/requests/__init__.py", line 61, in <module>
from .packages.urllib3.exceptions import DependencyWarning
ImportError: cannot import name 'DependencyWarning'
```

With

```
lasse@lssteady ~ % python --version
Python 3.5.1


>>> import urllib3
>>> for thing in urllib3.exceptions.__dict__:
... print(thing)
...
(...)
DependencyWarning
(...)
```

Upstream issue claims this is a problem on Arch side: https://bugzilla.gnome.org/show_bug.cgi?id=765980

Additional info:
* package version(s)

```
lasse@lssteady ~/prog/coala-incremental (git)-[master] % ps gnome-music
extra/gnome-music 3.20.0-1 (gnome-extra) [installed]
Music player and management application
```

* config and/or log files etc.


Steps to reproduce:

* Install gnome-music
* Start it in the terminal