diff --git a/docs/audio.rst b/docs/audio.rst
index cb4060b5..dda66a90 100644
--- a/docs/audio.rst
+++ b/docs/audio.rst
@@ -76,21 +76,21 @@ simultaneously. To use the Icecast output, do the following:
    .. code-block:: ini
 
        [audio]
-       output = lamemp3enc ! shout2send mount=mopidy ip=127.0.0.1 port=8000 password=hackme
+       output = lamemp3enc ! shout2send async=false mount=mopidy ip=127.0.0.1 port=8000 password=hackme
 
    Example for Ogg Vorbis streaming:
 
    .. code-block:: ini
 
        [audio]
-       output = audioresample ! audioconvert ! vorbisenc ! oggmux ! shout2send mount=mopidy ip=127.0.0.1 port=8000 password=hackme
+       output = audioresample ! audioconvert ! vorbisenc ! oggmux ! shout2send async=false mount=mopidy ip=127.0.0.1 port=8000 password=hackme
 
    Example for MP3 streaming and local audio (multiple outputs):
 
    .. code-block:: ini
 
        [audio]
-       output = tee name=t ! queue ! audioresample ! autoaudiosink t. ! queue ! lamemp3enc ! shout2send mount=mopidy ip=127.0.0.1 port=8000 password=hackme
+       output = tee name=t ! queue ! audioresample ! autoaudiosink t. ! queue ! lamemp3enc ! shout2send async=false mount=mopidy ip=127.0.0.1 port=8000 password=hackme
 
 Other advanced setups are also possible for outputs. Basically, anything you
 can use with the ``gst-launch-1.0`` command can be plugged into
diff --git a/docs/ext/mpd.rst b/docs/ext/mpd.rst
index db56187f..3e146f88 100644
--- a/docs/ext/mpd.rst
+++ b/docs/ext/mpd.rst
@@ -20,7 +20,7 @@ Mopidy and enabled by default.
     local network. You have been warned.
 
 MPD stands for Music Player Daemon, which is also the name of the `original MPD
-server project <http://mpd.wikia.com/>`_. Mopidy does not depend on the
+server project <https://www.musicpd.org/>`_. Mopidy does not depend on the
 original MPD server, but implements the MPD protocol itself, and is thus
 compatible with clients for the original MPD server.
 
diff --git a/mopidy/internal/playlists.py b/mopidy/internal/playlists.py
index e80588c9..5c7c8fc4 100644
--- a/mopidy/internal/playlists.py
+++ b/mopidy/internal/playlists.py
@@ -6,9 +6,9 @@ from mopidy.compat import configparser
 from mopidy.internal import validation
 
 try:
-    import xml.etree.cElementTree as elementtree
+    import xml.etree.cElementTree as elementtree  # noqa: N813
 except ImportError:
-    import xml.etree.ElementTree as elementtree
+    import xml.etree.ElementTree as elementtree  # noqa: N813
 
 
 def parse(data):
diff --git a/mopidy/mpd/translator.py b/mopidy/mpd/translator.py
index a76d6d59..d47c3703 100644
--- a/mopidy/mpd/translator.py
+++ b/mopidy/mpd/translator.py
@@ -108,7 +108,7 @@ def track_to_mpd_format(track, position=None, stream_title=None):
     if track.album and track.album.uri:
         result.append(('X-AlbumUri', track.album.uri))
     if track.album and track.album.images:
-        images = ';'.join(i for i in track.album.images if i is not '')
+        images = ';'.join(i for i in track.album.images if i != '')
         result.append(('X-AlbumImage', images))
 
     result = [element for element in result if _has_value(*element)]
diff --git a/tests/audio/test_scan.py b/tests/audio/test_scan.py
index 411ce805..8761f68a 100644
--- a/tests/audio/test_scan.py
+++ b/tests/audio/test_scan.py
@@ -45,6 +45,9 @@ class ScannerTest(unittest.TestCase):
 
     def test_tags_is_set(self):
         self.scan(self.find('scanner/simple'))
+
+        self.check_if_missing_plugin()
+
         self.assert_(self.result.values()[0].tags)
 
     def test_errors_is_not_set(self):
diff --git a/tests/config/test_config.py b/tests/config/test_config.py
index fa2285b8..a20f2317 100644
--- a/tests/config/test_config.py
+++ b/tests/config/test_config.py
@@ -164,7 +164,7 @@ __HASH10__ = foo # = should all be treated as a comment."""
 
 
 class PreProcessorTest(unittest.TestCase):
-    maxDiff = None  # Show entire diff.
+    maxDiff = None  # Show entire diff.  # noqa: N815
 
     def test_empty_config(self):
         result = config._preprocess('')
@@ -230,7 +230,7 @@ class PreProcessorTest(unittest.TestCase):
 
 
 class PostProcessorTest(unittest.TestCase):
-    maxDiff = None  # Show entire diff.
+    maxDiff = None  # Show entire diff.  # noqa: N815
 
     def test_empty_config(self):
         result = config._postprocess('[__COMMENTS__]')
diff --git a/tests/core/test_playback.py b/tests/core/test_playback.py
index 6d320b4e..59d90b92 100644
--- a/tests/core/test_playback.py
+++ b/tests/core/test_playback.py
@@ -497,7 +497,7 @@ class TestCurrentAndPendingTlTrack(BaseTest):
     'mopidy.core.playback.listener.CoreListener', spec=core.CoreListener)
 class EventEmissionTest(BaseTest):
 
-    maxDiff = None
+    maxDiff = None  # noqa: N815
 
     def test_play_when_stopped_emits_events(self, listener_mock):
         tl_tracks = self.core.tracklist.get_tl_tracks()
diff --git a/tests/internal/test_path.py b/tests/internal/test_path.py
index dec80f1a..2cfe4ebd 100644
--- a/tests/internal/test_path.py
+++ b/tests/internal/test_path.py
@@ -237,7 +237,7 @@ class ExpandPathTest(unittest.TestCase):
 
 
 class FindMTimesTest(unittest.TestCase):
-    maxDiff = None
+    maxDiff = None  # noqa: N815
 
     def setUp(self):  # noqa: N802
         self.tmpdir = tempfile.mkdtemp(b'.mopidy-tests')
diff --git a/tests/local/test_json.py b/tests/local/test_json.py
index 169ba743..8f46bd36 100644
--- a/tests/local/test_json.py
+++ b/tests/local/test_json.py
@@ -9,7 +9,7 @@ from tests import path_to_data_dir
 
 
 class BrowseCacheTest(unittest.TestCase):
-    maxDiff = None
+    maxDiff = None  # noqa: N815
 
     def setUp(self):  # noqa: N802
         self.uris = ['local:track:foo/bar/song1',