diff --git a/osm_vc63/requetes.py b/osm_vc63/requetes.py
index 8bbbe00..ba3c29a 100644
--- a/osm_vc63/requetes.py
+++ b/osm_vc63/requetes.py
@@ -1,7 +1,10 @@
 #!/usr/bin/env python3
+"""Module des requêtes"""
 
 
-class requete:
+class Requete:
+    """Objet requête"""
+
     nom: str
     critere: str
     champs: dict
@@ -12,8 +15,8 @@ class requete:
         self.champs = champs
 
 
-reqs = []
-champs_stationnement = {
+REQS = []
+CHAMPS_STATIONNEMENT = {
     "amenity": {"export_json": "Non", "FR": "aménagement"},
     "capacity": {"export_json": "Oui", "FR": "nombre d'emplacements"},
     "access": {"export_json": "Oui", "FR": "accès"},
@@ -25,7 +28,7 @@ champs_stationnement = {
     "check_date:capacity": {"export_json": "Non", "FR": "date_vérification"},
     "source": {"export_json": "Non", "FR": "source"},
 }
-champs_poi = {
+CHAMPS_POI = {
     "name": {"export_json": "Oui", "FR": ""},
     "description": {"export_json": "Oui", "FR": ""},
     "website": {"export_json": "Oui", "FR": ""},
@@ -41,8 +44,7 @@ champs_poi = {
     "office": {"export_json": "Oui", "FR": "Bureau"},
     "opening_hours": {"export_json": "Oui", "FR": "Horaires"},
 }
-# fields api_adresse (issus du géocodage inversé)
-champs_adresse = {
+CHAMPS_ADRESSE = {
     "api_adresse:geometry:coordinates:lon": {
         "export_json": "Non",
         "FR": "lon_adresse_etalab",
@@ -71,73 +73,72 @@ champs_adresse = {
     "api_adresse:properties:street": {"export_json": "Non", "FR": "rue_etalab"},
 }
 
-reqs.append(
-    requete(
+REQS.append(
+    Requete(
         "stationnements_velos_publics",
         r'nwr["amenity"="bicycle_parking"](area:aire_de_recherche); - nwr["amenity"="bicycle_parking"]["access"~"(no|permit|private|customers)"](area:aire_de_recherche);',
-        dict(champs_stationnement, **champs_adresse),
+        dict(CHAMPS_STATIONNEMENT, **CHAMPS_ADRESSE),
     )
 )
 
-reqs.append(
-    requete(
+REQS.append(
+    Requete(
         "stationnements_velos_non_publics",
         r'nwr["amenity"="bicycle_parking"]["access"~"(no|permit|private|customers)"](area:aire_de_recherche);',
-        dict(champs_stationnement, **champs_adresse),
+        dict(CHAMPS_STATIONNEMENT, **CHAMPS_ADRESSE),
     )
 )
 
-champ_local = {"service:bicycle:diy": {"export_json": "Non", "FR": ""}}
-reqs.append(
-    requete(
+CHAMP_LOCAL = {"service:bicycle:diy": {"export_json": "Non", "FR": ""}}
+REQS.append(
+    Requete(
         "ateliers_autoreparation",
         r'nwr["service:bicycle:diy"="yes"](area:aire_de_recherche);',
-        dict(champ_local, **champs_poi, **champs_adresse),
+        dict(CHAMP_LOCAL, **CHAMPS_POI, **CHAMPS_ADRESSE),
     )
 )
 
-champ_local = {"association": {"export_json": "Non", "FR": ""}}
-reqs.append(
-    requete(
+CHAMP_LOCAL = {"association": {"export_json": "Non", "FR": ""}}
+REQS.append(
+    Requete(
         "associations_velo",
         r'nwr["association"="bicycle"](area:aire_de_recherche);',
-        dict(champ_local, **champs_poi, **champs_adresse),
+        dict(CHAMP_LOCAL, **CHAMPS_POI, **CHAMPS_ADRESSE),
     )
 )
 
-champ_local = {"craft": {"export_json": "Non", "FR": ""}}
-reqs.append(
-    requete(
+CHAMP_LOCAL = {"craft": {"export_json": "Non", "FR": ""}}
+REQS.append(
+    Requete(
         "fabriquants_velo",
         r'nwr["craft"="bicycle"](area:aire_de_recherche);',
-        dict(champ_local, **champs_poi, **champs_adresse),
+        dict(CHAMP_LOCAL, **CHAMPS_POI, **CHAMPS_ADRESSE),
     )
 )
 
-champ_local = {"shop": {"export_json": "Non", "FR": ""}}
-reqs.append(
-    requete(
+CHAMP_LOCAL = {"shop": {"export_json": "Non", "FR": ""}}
+REQS.append(
+    Requete(
         "vendeurs_velo",
         r'nwr["shop"="bicycle"](area:aire_de_recherche); nwr["service:bicycle:retail"="yes"](area:aire_de_recherche);',
-        dict(champ_local, **champs_poi, **champs_adresse),
+        dict(CHAMP_LOCAL, **CHAMPS_POI, **CHAMPS_ADRESSE),
     )
 )
 
-champ_local = {"amenity": {"export_json": "Non", "FR": ""}}
-reqs.append(
-    requete(
+CHAMP_LOCAL = {"amenity": {"export_json": "Non", "FR": ""}}
+REQS.append(
+    Requete(
         "velos_libre_service",
         r'nwr["amenity"="bicycle_rental"](area:aire_de_recherche);',
-        dict(champ_local, **champs_poi, **champs_adresse),
+        dict(CHAMP_LOCAL, **CHAMPS_POI, **CHAMPS_ADRESSE),
     )
 )
 
-champ_local = {"service:bicycle:rental": {"export_json": "Non", "FR": ""}}
-reqs.append(
-    requete(
+CHAMP_LOCAL = {"service:bicycle:rental": {"export_json": "Non", "FR": ""}}
+REQS.append(
+    Requete(
         "location_velo",
         r'nwr["service:bicycle:rental"="yes"](area:aire_de_recherche);',
-        dict(champ_local, **champs_poi, **champs_adresse),
+        dict(CHAMP_LOCAL, **CHAMPS_POI, **CHAMPS_ADRESSE),
     )
 )
-
diff --git a/recup_donnees_osm_overpass.py b/recup_donnees_osm_overpass.py
index 2a5dc59..eed5029 100644
--- a/recup_donnees_osm_overpass.py
+++ b/recup_donnees_osm_overpass.py
@@ -152,7 +152,7 @@ def executer_requete_et_exporter_resultats(
 def main():
     """Routine principale"""
 
-    for req in requetes.reqs:
+    for req in requetes.REQS:
         for nb_essai in range(MAX_RETRY):  # on tente max_retry fois
             try:
                 executer_requete_et_exporter_resultats(