Review tweaks

Author: jjlawren

plexapi/client.py

@@ -205,8 +205,8 @@ def sendCommand(self, command, proxy=None, **params):
         except ElementTree.ParseError:
             # Workaround for players which don't return valid XML on successful commands
             #   - Plexamp: `b'OK'`
-            if self.product in ('Plexamp'):
-                return None
+            if self.product in ('Plexamp',):
+                return
             raise
 
     def url(self, key, includeToken=False):