iris.patch

diff --git a/mopidy_iris/core.py b/mopidy_iris/core.py
index 720318f6..f376c93a 100755
--- a/mopidy_iris/core.py
+++ b/mopidy_iris/core.py
@@ -713,7 +713,7 @@ class IrisCore(pykka.ThreadingActor):
             logger.debug(error)
             return False
 
-    def check_for_radio_update(self):
+    async def check_for_radio_update(self):
         tracklistLength = self.core.tracklist.get_length().get()
         if tracklistLength < 3 and self.radio["enabled"] == 1:
 
@@ -723,7 +723,7 @@ class IrisCore(pykka.ThreadingActor):
             # We've run out of pre-fetched tracks, so we need to get more
             # recommendations
             if len(uris) < 3:
-                uris = self.load_more_tracks()
+                uris = await self.load_more_tracks()
 
             # Remove the next batch, and update our results
             self.radio["results"] = uris[3:]
diff --git a/mopidy_iris/frontend.py b/mopidy_iris/frontend.py
index 87d4a585..d3e7539a 100755
--- a/mopidy_iris/frontend.py
+++ b/mopidy_iris/frontend.py
@@ -23,7 +23,9 @@ class IrisFrontend(pykka.ThreadingActor, CoreListener):
         iris.stop()
 
     def track_playback_ended(self, tl_track, time_position):
-        iris.ioloop.add_callback(functools.partial(iris.check_for_radio_update))
+        if iris.ioloop:
+            iris.ioloop.add_callback(functools.partial(iris.check_for_radio_update))
 
     def tracklist_changed(self):
-        iris.ioloop.add_callback(functools.partial(iris.clean_queue_metadata))
+        if iris.ioloop:
+            iris.ioloop.add_callback(functools.partial(iris.clean_queue_metadata))