From ea1d4239040d24d0a4658b61c1b9326d868746c8 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Tue, 29 Jun 2021 23:16:39 -0400
Subject: [PATCH] Check for None in VocalGuildChannel.voice_states

---
 discord/channel.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/discord/channel.py b/discord/channel.py
index f07ba6381..1dddecaa0 100644
--- a/discord/channel.py
+++ b/discord/channel.py
@@ -820,7 +820,13 @@ class VocalGuildChannel(discord.abc.Connectable, discord.abc.GuildChannel, Hasha
         Mapping[:class:`int`, :class:`VoiceState`]
             The mapping of member ID to a voice state.
         """
-        return {key: value for key, value in self.guild._voice_states.items() if value.channel.id == self.id}
+        # fmt: off
+        return {
+            key: value
+            for key, value in self.guild._voice_states.items()
+            if value.channel and value.channel.id == self.id
+        }
+        # fmt: on
 
     @utils.copy_doc(discord.abc.GuildChannel.permissions_for)
     def permissions_for(self, obj: Union[Member, Role], /) -> Permissions: