From fb83223af9f82a94ee45c1d3716c7e05c94def07 Mon Sep 17 00:00:00 2001
From: Dylan Baker <dylan@pnwbakers.com>
Date: Fri, 27 May 2022 10:50:46 -0700
Subject: mesonlib: fix annotation of OrderedSet.difference

Any iterable is acceptable, not just Set | OrderedSet
---
 mesonbuild/mesonlib/universal.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mesonbuild/mesonlib/universal.py b/mesonbuild/mesonlib/universal.py
index 1213be6..1649d11 100644
--- a/mesonbuild/mesonlib/universal.py
+++ b/mesonbuild/mesonlib/universal.py
@@ -1764,7 +1764,7 @@ class OrderedSet(T.MutableSet[_T]):
         for item in iterable:
             self.__container[item] = None
 
-    def difference(self, set_: T.Union[T.Set[_T], 'OrderedSet[_T]']) -> 'OrderedSet[_T]':
+    def difference(self, set_: T.Iterable[_T]) -> 'OrderedSet[_T]':
         return type(self)(e for e in self if e not in set_)
 
     def difference_update(self, iterable: T.Iterable[_T]) -> None:
-- 
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