From db23164aba88b9d510fb6d7e317eda6d5fa4e664 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jofre=20Vall=C3=A8s=20Muns?=
 <61060572+jofrevalles@users.noreply.github.com>
Date: Thu, 12 Sep 2024 10:46:31 +0200
Subject: [PATCH] Fix error throw in `replace!` (#201)

* Fix error throw for replace!

* remove previous push line
---
 src/TensorNetwork.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TensorNetwork.jl b/src/TensorNetwork.jl
index 2753a161..eb284e99 100644
--- a/src/TensorNetwork.jl
+++ b/src/TensorNetwork.jl
@@ -225,8 +225,8 @@ function Base.replace!(tn::AbstractTensorNetwork, pair::Pair{<:Tensor,<:Tensor})
     old_tensor, new_tensor = pair
     issetequal(inds(new_tensor), inds(old_tensor)) || throw(ArgumentError("replacing tensor indices don't match"))
 
-    delete!(tn, old_tensor)
     push!(tn, new_tensor)
+    delete!(tn, old_tensor)
 
     return tn
 end