From 353277fd3571e45ef5550213e7128a8fd72cdaa9 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Mon, 7 Sep 2026 13:55:08 -0500
Subject: [PATCH] Fix annotation on project_out

Closes gh-26
---
 namedisl/set_like.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/namedisl/set_like.py b/namedisl/set_like.py
index 07e25b3..52c436b 100644
--- a/namedisl/set_like.py
+++ b/namedisl/set_like.py
@@ -268,7 +268,7 @@ def eliminate_except(
         return self.eliminate(names_to_eliminate - set(names_to_keep), cache=cache)
 
     def project_out(self,
-                names: str | Collection[str],
+                names: Collection[str],
                 *, cache: Cache | None = None,
             ) -> Self:
         "Eliminates the dimensions and constraints."