From 48d8b5b9967b5ac5334632a6f9571a04d9357ff1 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 18 Feb 2026 08:37:01 +0000
Subject: [PATCH] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 src/qibotn/backends/quimb.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/qibotn/backends/quimb.py b/src/qibotn/backends/quimb.py
index 4c33c1a..0eefbad 100644
--- a/src/qibotn/backends/quimb.py
+++ b/src/qibotn/backends/quimb.py
@@ -252,7 +252,7 @@ def exp_value_observable_symbolic(
     expectation_value = 0.0
     for opstr, sites, coeff in zip(operators_list, sites_list, coeffs_list):
         coeff = coeff.real
-        for label, site in zip(opstr, sites): 
+        for label, site in zip(opstr, sites):
             op_matrix = qu.pauli(label.upper())
             ket.gate_(op_matrix, site)
         exp_values = (bra & ket).contract(optimize="auto-hq").real
@@ -311,7 +311,6 @@ def _qibo_circuit_to_quimb(
     return circ
 
 
-
 CLASSES_ROOTS = {"numpy": "Numpy", "torch": "PyTorch", "jax": "Jax"}
 
 METHODS = {