diff --git a/models/acc_operation.py b/models/acc_operation.py
index 82a428974ec63414f16037117442e23d7d606d8e..63a7b84780ba319931952807567eefbb3419e2c8 100644
--- a/models/acc_operation.py
+++ b/models/acc_operation.py
@@ -1,10 +1,10 @@
 # Copyright 2023 Le Filament (<http://www.le-filament.com>)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-import time
 
-from dateutil.relativedelta import relativedelta
 from datetime import datetime
 
+from dateutil.relativedelta import relativedelta
+
 from odoo import _, api, fields, models
 from odoo.exceptions import ValidationError
 from odoo.tools import date_utils
@@ -1079,6 +1079,7 @@ class AccOperation(models.Model):
     # Functions to manage route
     # ------------------------------------------------------
     api.model
+
     def graph_view_global(
         self,
         scale=None,
@@ -1086,7 +1087,7 @@ class AccOperation(models.Model):
         date_end=None,
         partner_id=None,
         prm_id=None,
-        data_type=None
+        data_type=None,
     ):
         """
         Fonction appelée pour l'affichage des courbes consommation
@@ -1096,7 +1097,6 @@ class AccOperation(models.Model):
                         défini par le clic bouton
         :return: dictionnaire pour la construction des graphes
         """
-
         result_graph = {}
         scale_init = scale
         if not date_start and not date_end:
@@ -1113,8 +1113,10 @@ class AccOperation(models.Model):
         )
 
         if data_type == "pmo":
-            acc_counter_ids = self.env["acc.counter"].sudo().search(
-                [("acc_operation_id", "=", self.id)]
+            acc_counter_ids = (
+                self.env["acc.counter"]
+                .sudo()
+                .search([("acc_operation_id", "=", self.id)])
             )
         else:
             # Get PRM ids