From f12b04bd0ba1de9ebd21ea8168b7bfcfed2dff8e Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Sat, 27 Feb 2021 12:53:43 +0100
Subject: [PATCH] XEP-0405: Fix a bug in nodes returned by join_channel

Yay tests!
---
 slixmpp/plugins/xep_0405/mix_pam.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/slixmpp/plugins/xep_0405/mix_pam.py b/slixmpp/plugins/xep_0405/mix_pam.py
index 2b132526..7d87158e 100644
--- a/slixmpp/plugins/xep_0405/mix_pam.py
+++ b/slixmpp/plugins/xep_0405/mix_pam.py
@@ -70,7 +70,7 @@ class XEP_0405(BasePlugin):
             iq['client_join']['mix_join'].append(sub)
         result = await iq.send(**iqkwargs)
         result_nodes = {sub['node'] for sub in result['client_join']['mix_join']}
-        return result_nodes.difference(subscribe)
+        return subscribe.difference(result_nodes)
 
     async def leave_channel(self, room: JID, *,
                             ito: Optional[JID] = None,