Version-Release number of selected component:
gnome-music-3.15.91-1.fc22

Additional info:
reporter:       libreport-2.4.0
cmdline:        python3 /usr/bin/gnome-music
executable:     /usr/bin/gnome-music
kernel:         4.0.0-0.rc3.git0.1.fc22.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
Gtk.py:1146:__new__:TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/gnomemusic/__init__.py", line 45, in wrapped
    retval = fn(*v, **k)
  File "/usr/lib/python3.4/site-packages/gnomemusic/player.py", line 265, in _on_glib_idle
    self.playlist.get_iter(self.currentTrack.get_path()), 5).get_url()
  File "/usr/lib64/python3.4/site-packages/gi/overrides/Gtk.py", line 823, in get_iter
    path = self._coerce_path(path)
  File "/usr/lib64/python3.4/site-packages/gi/overrides/Gtk.py", line 798, in _coerce_path
    return TreePath(path)
  File "/usr/lib64/python3.4/site-packages/gi/overrides/Gtk.py", line 1146, in __new__
    path = ":".join(str(val) for val in path)
TypeError: 'NoneType' object is not iterable

Local variables in innermost frame:
path: None
cls: <class 'gi.overrides.Gtk.TreePath'>