From 53a111872e21d212730b23db8b4e3e589d918ece Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Fri, 1 Jul 2022 20:10:42 -0400
Subject: [PATCH] Fix ArrayFlags._from_value not having an initial value

---
 discord/flags.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/discord/flags.py b/discord/flags.py
index 47e170755..dbf88e650 100644
--- a/discord/flags.py
+++ b/discord/flags.py
@@ -1468,7 +1468,7 @@ class ArrayFlags(BaseFlags):
     @classmethod
     def _from_value(cls: Type[Self], value: List[int]) -> Self:
         self = cls.__new__(cls)
-        self.value = reduce(lambda a, b: a | (1 << b - 1), value)
+        self.value = reduce(lambda a, b: a | (1 << b - 1), value, 0)
         return self
 
     def to_array(self) -> List[int]: