Update event.py

Remove ```log_persistancer```, which is currently not supported in UPSTREAM.

Author: bjoernhaeuser

pymysqlreplication/event.py

@@ -100,6 +100,6 @@ def _dump(self):
  print("Query: %s" % (self.query))
 
 class NotImplementedEvent(BinLogEvent):
- def __init__(self, from_packet, event_size, table_map, ctl_connection, log_persistancer = None):
- super(NullEvent, self).__init__(from_packet, event_size, table_map, ctl_connection, log_persistancer)
- self.packet.advance(event_size)
+ def __init__(self, from_packet, event_size, table_map, ctl_connection):
+ super(NullEvent, self).__init__(from_packet, event_size, table_map, ctl_connection)
+ self.packet.advance(event_size)