From ad14e01087dc433c5940724a4d23b7925f52b9c1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergio=20S=C3=A1nchez=20Ram=C3=ADrez?=
 <sergio.sanchez.ramirez+git@bsc.es>
Date: Fri, 30 Aug 2024 12:22:31 +0200
Subject: [PATCH] Fix return type of `inds` when querying physical indices

---
 src/Quantum.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Quantum.jl b/src/Quantum.jl
index 6d301f12..2cd9e4a1 100644
--- a/src/Quantum.jl
+++ b/src/Quantum.jl
@@ -178,7 +178,7 @@ end
 @kwmethod inds(tn::AbstractQuantum; at) = Quantum(tn).sites[at]
 @kwmethod function inds(tn::AbstractQuantum; set)
     if set === :physical
-        return values(Quantum(tn).sites)
+        return collect(values(Quantum(tn).sites))
     elseif set === :virtual
         return setdiff(inds(tn), values(Quantum(tn).sites))
     else