Use six.moves.urllib

data/interfaces/default/current_activity_instance.html

@@ -62,7 +62,7 @@ DOCUMENTATION :: END
 % if session is not None:
 <%
     from collections import defaultdict
-    from urllib import quote
+    from six.moves.urllib.parse import quote
     from plexpy import helpers
     from plexpy.common import VIDEO_RESOLUTION_OVERRIDES, AUDIO_CODEC_OVERRIDES, EXTRA_TYPES
     import plexpy