Build events only once per update

telethon/events/messageedited.py

@@ -8,7 +8,8 @@ class MessageEdited(NewMessage):
     """
     Event fired when a message has been edited.
     """
-    def build(self, update):
+    @staticmethod
+    def build(update):
         if isinstance(update, (types.UpdateEditMessage,
                                types.UpdateEditChannelMessage)):
             event = MessageEdited.Event(update.message)
@@ -16,7 +17,7 @@ class MessageEdited(NewMessage):
             return
 
         event._entities = update._entities
-        return self._message_filter_event(event)
+        return event
 
     class Event(NewMessage.Event):
         pass  # Required if we want a different name for it