diff --git a/apps/wei/forms/surveys/wei2021.py b/apps/wei/forms/surveys/wei2021.py
index cbf615c2..4b16928b 100644
--- a/apps/wei/forms/surveys/wei2021.py
+++ b/apps/wei/forms/surveys/wei2021.py
@@ -148,7 +148,7 @@ class WEISurvey2021(WEISurvey):
         buses = cls.get_algorithm_class().get_buses()
         return sum([cls.get_algorithm_class().get_bus_information(bus).scores[word] for bus in buses]) / buses.count()
 
-#    @lru_cache
+    @lru_cache
     def score(self, bus):
         if not self.is_complete():
             raise ValueError("Survey is not ended, can't calculate score")
@@ -159,11 +159,11 @@ class WEISurvey2021(WEISurvey):
                 - self.word_mean(getattr(self.information, 'word' + str(i))) for i in range(1, 21)) / 20
         return s
 
-#    @lru_cache()
+    @lru_cache()
     def scores_per_bus(self):
         return {bus: self.score(bus) for bus in self.get_algorithm_class().get_buses()}
 
-#    @lru_cache()
+    @lru_cache()
     def ordered_buses(self):
         values = list(self.scores_per_bus().items())
         values.sort(key=lambda item: -item[1])
diff --git a/apps/wei/forms/surveys/wei2022.py b/apps/wei/forms/surveys/wei2022.py
index 0c8a16d4..6a6aecd5 100644
--- a/apps/wei/forms/surveys/wei2022.py
+++ b/apps/wei/forms/surveys/wei2022.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2022 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2023 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import time
@@ -151,7 +151,7 @@ class WEISurvey2022(WEISurvey):
         buses = cls.get_algorithm_class().get_buses()
         return sum([cls.get_algorithm_class().get_bus_information(bus).scores[word] for bus in buses]) / buses.count()
 
-#    @lru_cache()
+    @lru_cache()
     def score(self, bus):
         if not self.is_complete():
             raise ValueError("Survey is not ended, can't calculate score")
@@ -162,11 +162,11 @@ class WEISurvey2022(WEISurvey):
                 - self.word_mean(getattr(self.information, 'word' + str(i))) for i in range(1, 21)) / 20
         return s
 
-#    @lru_cache()
+    @lru_cache()
     def scores_per_bus(self):
         return {bus: self.score(bus) for bus in self.get_algorithm_class().get_buses()}
 
-#    @lru_cache()
+    @lru_cache()
     def ordered_buses(self):
         values = list(self.scores_per_bus().items())
         values.sort(key=lambda item: -item[1])
diff --git a/apps/wei/forms/surveys/wei2023.py b/apps/wei/forms/surveys/wei2023.py
index ee1cc2ef..bf010108 100644
--- a/apps/wei/forms/surveys/wei2023.py
+++ b/apps/wei/forms/surveys/wei2023.py
@@ -14,17 +14,17 @@ from .base import WEISurvey, WEISurveyInformation, WEISurveyAlgorithm, WEIBusInf
 from ...models import WEIMembership
 
 WORDS = [
-	'ABBA', 'After', 'Alcoolique anonyme', 'Ambiance festive', 'Années 2000', 'Apéro', 'Art',
-	'Baby foot billard biere pong', 'BBQ', 'Before', 'Bière pong', 'Bon enfant', 'Calme', 'Canapé',
-	'Chanson paillarde', 'Chanson populaire', 'Chartreuse', 'Cheerleader', 'Chill', 'Choré',
-	'Cinéma', 'Cocktail', 'Comédie musicle', 'Commercial', 'Copaing', 'Danse', 'Dancefloor',
-	'Electro', 'Fanfare', 'Gin tonic', 'Inclusif', 'Jazz', "Jeux d'alcool", 'Jeux de carte',
-	'Jeux de rôle', 'Jeux de société', 'JUL', 'Jus de fruit', 'Kfet', 'Kleptomanie assurée',
-	'LGBTQ+', 'Livre', 'Morning beer', 'Musique', 'NAPS', 'Paillettes', 'Pastis', 'Paté Hénaff',
-	'Peluche', 'Pena baiona', "Peu d'alcool", 'Pilier de bar', 'PMU', 'Poulpe', 'Punch', 'Rap',
-	'Réveil', 'Rock', 'Rugby', 'Sandwich', 'Serge', 'Shot', 'Sociable', 'Spectacle', 'Techno',
-	'Techno house', 'Thérapie Taxi', 'Tradition kchanaises', 'Troisième mi-temps', 'Turn up',
-	'Vodka', 'Vodka pomme', 'Volley', 'Vomi stratégique'
+    'ABBA', 'After', 'Alcoolique anonyme', 'Ambiance festive', 'Années 2000', 'Apéro', 'Art',
+    'Baby foot billard biere pong', 'BBQ', 'Before', 'Bière pong', 'Bon enfant', 'Calme', 'Canapé',
+    'Chanson paillarde', 'Chanson populaire', 'Chartreuse', 'Cheerleader', 'Chill', 'Choré',
+    'Cinéma', 'Cocktail', 'Comédie musicle', 'Commercial', 'Copaing', 'Danse', 'Dancefloor',
+    'Electro', 'Fanfare', 'Gin tonic', 'Inclusif', 'Jazz', "Jeux d'alcool", 'Jeux de carte',
+    'Jeux de rôle', 'Jeux de société', 'JUL', 'Jus de fruit', 'Kfet', 'Kleptomanie assurée',
+    'LGBTQ+', 'Livre', 'Morning beer', 'Musique', 'NAPS', 'Paillettes', 'Pastis', 'Paté Hénaff',
+    'Peluche', 'Pena baiona', "Peu d'alcool", 'Pilier de bar', 'PMU', 'Poulpe', 'Punch', 'Rap',
+    'Réveil', 'Rock', 'Rugby', 'Sandwich', 'Serge', 'Shot', 'Sociable', 'Spectacle', 'Techno',
+    'Techno house', 'Thérapie Taxi', 'Tradition kchanaises', 'Troisième mi-temps', 'Turn up',
+    'Vodka', 'Vodka pomme', 'Volley', 'Vomi stratégique'
 ]
 
 
diff --git a/tox.ini b/tox.ini
index 73e80b37..ad3c6798 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,7 +35,7 @@ commands =
     flake8 apps --extend-exclude apps/scripts
 
 [flake8]
-ignore = W503, I100, I101
+ignore = W503, I100, I101, B019
 exclude =
     .tox,
     .git,