ib: attempt to REPL closed connection events

piker/brokers/ib/broker.py

@@ -1348,6 +1348,9 @@ async def deliver_trade_events(
                 }:
                     pcc: str = "Peer closed connection."
                     if pcc in err:
+                        # TODO, emit and raise?
+                        # [ ] try for reconnect?
+                        # raise BrokerdError(
                         await tractor.pause()
 
                     log.error(