Use unicode for Spotify search queries, as required by pyspotify 1.4 (fixes #129)

docs/changes.rst

@@ -12,6 +12,8 @@ v0.6.0 (in development)
 
 - Pykka 0.12.3 or greater is required.
 
+- pyspotify 1.4 or greater is required.
+
 - All config, data, and cache locations are now based on the XDG spec.
 
   - This means that your settings file will need to be moved from
@@ -53,6 +55,9 @@ v0.6.0 (in development)
 - Increase the maximum number of results returned by Spotify searches from 32
   to 100.
 
+- Send Spotify search queries to pyspotify as unicode objects, as required by
+  pyspotify 1.4. (Fixes: :issue:`129`)
+
 **multi-backend changes**
 
 - Remove `destroy()` methods from backend controller and provider APIs, as it

mopidy/backends/spotify/library.py

@@ -55,7 +55,7 @@ class SpotifyLibraryProvider(BaseLibraryProvider):
         spotify_query = u' '.join(spotify_query)
         logger.debug(u'Spotify search query: %s' % spotify_query)
         queue = Queue.Queue()
-        self.backend.spotify.search(spotify_query.encode(ENCODING), queue)
+        self.backend.spotify.search(spotify_query, queue)
         try:
             return queue.get(timeout=3) # XXX What is an reasonable timeout?
         except Queue.Empty: