Cleanup unused modules and imports

* Ran code through PyFlakes

plexpy/web_socket.py

@@ -75,7 +75,7 @@ def run():
             reconnects = 0
             ws_connected = True
             logger.info(u"PlexPy WebSocket :: Ready")
-        except IOError, e:
+        except IOError as e:
             logger.error(u"PlexPy WebSocket :: %s." % e)
             reconnects += 1
             time.sleep(5)
@@ -97,7 +97,7 @@ def run():
                 logger.warn(u"PlexPy WebSocket :: Connection has closed, reconnecting...")
                 try:
                     ws = create_connection(uri, header=header)
-                except IOError, e:
+                except IOError as e:
                     logger.info(u"PlexPy WebSocket :: %s." % e)
 
             else: