[gnome-music] Fix some pep8 quirks

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit af16e5f2be16910c333219e14418926da1b6f9ee
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Wed Aug 5 12:18:56 2015 +0200

    Fix some pep8 quirks

 gnomemusic/player.py |    2 +-
 gnomemusic/view.py   |   12 ++++++------
 2 files changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/gnomemusic/player.py b/gnomemusic/player.py
index b379026..caca45a 100644
--- a/gnomemusic/player.py
+++ b/gnomemusic/player.py
@@ -1091,7 +1091,7 @@ class MissingCodecsDialog(Gtk.MessageDialog):
         # %s will be replaced with the software installer's name, e.g.
         # 'Software' in case of gnome-software.
         self.find_button = self.add_button(_("_Find in %s") % install_helper_name,
-                                            Gtk.ResponseType.ACCEPT)
+                                           Gtk.ResponseType.ACCEPT)
         self.set_default_response(Gtk.ResponseType.ACCEPT)
         Gtk.StyleContext.add_class(self.find_button.get_style_context(), 'suggested-action')
 
diff --git a/gnomemusic/view.py b/gnomemusic/view.py
index c4ed4f3..65d0e2d 100644
--- a/gnomemusic/view.py
+++ b/gnomemusic/view.py
@@ -652,7 +652,6 @@ class Artists (ViewContainer):
 
     @log
     def _populate(self, data=None):
-        selection = self.view.get_generic_view().get_selection()
         self._init = True
         self.populate()
 
@@ -711,8 +710,8 @@ class Artists (ViewContainer):
         artistAlbums = None
 
         artistAlbums = Widgets.ArtistAlbums(
-                   artist, albums, self.player,
-                   self.header_bar, self.selection_toolbar, self.window
+            artist, albums, self.player,
+            self.header_bar, self.selection_toolbar, self.window
         )
         self._artists[artist.casefold()]['widget'] = artistAlbums
         new_artistAlbumsWidget.add(artistAlbums)
@@ -1482,9 +1481,10 @@ class Search(ViewContainer):
 
         model, category = data
 
-        self.found_items_number = (self.model.iter_n_children(self.head_iters[0])+
-            self.model.iter_n_children(self.head_iters[1])+
-            self.model.iter_n_children(self.head_iters[2])+
+        self.found_items_number = (
+            self.model.iter_n_children(self.head_iters[0]) +
+            self.model.iter_n_children(self.head_iters[1]) +
+            self.model.iter_n_children(self.head_iters[2]) +
             self.model.iter_n_children(self.head_iters[3]))
 
         if category == 'song' and self.found_items_number == 0 and remaining == 0: