From 98df9962094ca194f17921acbd9591b95646a2de Mon Sep 17 00:00:00 2001
From: wattygetlood <61716739+wattygetlood@users.noreply.github.com>
Date: Tue, 28 Sep 2021 18:42:23 -0400
Subject: [PATCH] Set isn't serializable on std msgpack

---
 piker/clearing/_ems.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/piker/clearing/_ems.py b/piker/clearing/_ems.py
index 5096597f..df587fce 100644
--- a/piker/clearing/_ems.py
+++ b/piker/clearing/_ems.py
@@ -1046,7 +1046,7 @@ async def _emsd_main(
 
             # signal to client that we're started and deliver
             # all known pps and accounts for this ``brokerd``.
-            await ems_ctx.started((pp_msgs, relay.accounts))
+            await ems_ctx.started((pp_msgs, list(relay.accounts)))
 
             # establish 2-way stream with requesting order-client and
             # begin handling inbound order requests and updates