From e1a946eb876fe011a8c1c0dfe5e844fd65481cbc Mon Sep 17 00:00:00 2001
From: Luna Mendes <lnmds@protonmail.com>
Date: Wed, 7 Nov 2018 19:10:27 -0300
Subject: [PATCH] pubsub.lazy_guild: use filter instead of genexpr

---
 litecord/pubsub/lazy_guild.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/litecord/pubsub/lazy_guild.py b/litecord/pubsub/lazy_guild.py
index 253115c..a7f3248 100644
--- a/litecord/pubsub/lazy_guild.py
+++ b/litecord/pubsub/lazy_guild.py
@@ -393,9 +393,11 @@ class GuildMemberList:
         }
 
         states = map(self.get_state, session_ids)
+        states = filter(lambda state: state is not None, states)
+
         dispatched = []
 
-        for state in (s for s in states if s is not None):
+        for state in states:
             await state.ws.dispatch(
                 'GUILD_MEMBER_LIST_UPDATE', payload)