Fixed various property methods to make sure they all had a fall through return and removed unnecessary "else" statements

homeassistant/components/media_player/plex.py

@@ -95,7 +95,6 @@ class PlexClient(MediaPlayerDevice):
                 return STATE_PLAYING
             elif state == 'paused':
                 return STATE_PAUSED
-            else:
         return STATE_UNKNOWN
 
     def update(self):
@@ -115,7 +114,6 @@ class PlexClient(MediaPlayerDevice):
         """ Content type of current playing media. """
         if self._media is None:
             return None
-        else:
         media_type = self.server.library.getByKey(
             self.media_content_id).type
         if media_type == 'episode':
@@ -129,7 +127,6 @@ class PlexClient(MediaPlayerDevice):
         """ Duration of current playing media in seconds. """
         if self._media is not None:
             total_time = self._media.get('duration')
-
             return total_time
 
     @property
@@ -137,7 +134,6 @@ class PlexClient(MediaPlayerDevice):
         """ Image url of current playing media. """
         if self._media is not None:
             return self.server.library.getByKey(self.media_content_id).thumbUrl
-        else:
         return None
 
     @property
@@ -154,7 +150,6 @@ class PlexClient(MediaPlayerDevice):
             show_season = self.server.library.getByKey(
                 self.media_content_id).season().index
             return show_season
-        else:
         return None
 
     @property
@@ -164,7 +159,6 @@ class PlexClient(MediaPlayerDevice):
             series_title = self.server.library.getByKey(
                 self.media_content_id).show().title
             return series_title
-        else:
         return None
 
     @property
@@ -174,7 +168,6 @@ class PlexClient(MediaPlayerDevice):
             show_episode = self.server.library.getByKey(
                 self.media_content_id).index
             return show_episode
-        else:
         return None
 
     @property