From 42f8ecabfbaee55b0db1511739d0b94139b33e91 Mon Sep 17 00:00:00 2001
From: Renato Mello <renato.msf@gmail.com>
Date: Wed, 13 Dec 2023 14:18:02 +0400
Subject: [PATCH] fix bug

---
 src/qibo/quantum_info/quantum_network.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/qibo/quantum_info/quantum_network.py b/src/qibo/quantum_info/quantum_network.py
index ee35b53ca3..8bee85ab4c 100644
--- a/src/qibo/quantum_info/quantum_network.py
+++ b/src/qibo/quantum_info/quantum_network.py
@@ -1,5 +1,7 @@
 """Module defining the QuantumNetwork class and adjacent functions."""
 
+# %%
+
 from functools import reduce
 from operator import mul
 from typing import List, Optional, Tuple, Union
@@ -89,7 +91,7 @@ def _set_tensor_and_parameters(self):
         if self.system_output is None:
             self.system_output = (False,) if len(self.partition) == 1 else (False, True)
         else:
-            self.system_output = tuple(system_output)
+            self.system_output = tuple(self.system_output)
 
     @property
     def is_pure(self):