Fix crashing when an unhandled event occurs.

discord/client.py

@@ -370,7 +370,7 @@ class Client:
             func = getattr(self.connection, parser)
         except AttributeError:
             log.info('Unhandled event {}'.format(event))
-
+        else:
             result = func(data)
             if asyncio.iscoroutine(result):
                 utils.create_task(result, loop=self.loop)