From 17985fe21df06086a15519191c1891cdfcecc5a5 Mon Sep 17 00:00:00 2001
From: John Lancaster <32917998+jsl12@users.noreply.github.com>
Date: Sun, 22 Feb 2026 22:04:19 -0600
Subject: [PATCH] iadd alias

---
 src/daglib/set.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/daglib/set.py b/src/daglib/set.py
index 182a427..6fb2ff9 100644
--- a/src/daglib/set.py
+++ b/src/daglib/set.py
@@ -45,10 +45,10 @@ class DAGSetView(MutableSet[T]):
 
     def __iadd__(self, other: Iterable[T]) -> DAGSetView[T]:
         # a += b => update/extend
-        self |= ensure_set(other)
-        return self
+        return super().__ior__(ensure_set(other))
 
     def __ior__(self, other: Iterable[T]) -> DAGSetView[T]:
+        # a |= b => update/extend
         return super().__ior__(ensure_set(other))
 
     def __isub__(self, other: Iterable[T]) -> DAGSetView[T]: