diff --git a/passerelle_imio_liege_lisrue/models.py b/passerelle_imio_liege_lisrue/models.py
index 7bc9022..53d3b0f 100644
--- a/passerelle_imio_liege_lisrue/models.py
+++ b/passerelle_imio_liege_lisrue/models.py
@@ -26,28 +26,28 @@ from passerelle.utils.api import endpoint
 
 class ImioLiegeLisrue(BaseResource):
     PROFILE_CHOICES = (
-        ("LIEGE", "Liege"),
-        ("LIEGE_V2", "Liege lisrue2"),
-        ("NAMUR", "Namur"),
+        ('LIEGE', 'Liege'),
+        ('LIEGE_V2', 'Liege lisrue2'),
+        ('NAMUR', 'Namur'),
     )
     service_url = models.CharField(
         max_length=128,
         blank=False,
-        verbose_name=_("Service URL"),
-        help_text=_("SIG Web Service URL (ex: https://e-services.liege.be:8443/)"),
+        verbose_name=_('Service URL'),
+        help_text=_('SIG Web Service URL (ex: https://e-services.liege.be:8443/)'),
     )
-    profile = models.CharField(max_length=100, choices=PROFILE_CHOICES, default="Liege")
-    include_all_of_belgium = models.BooleanField(default=True, verbose_name=_("Include all of Belgium"))
+    profile = models.CharField(max_length=100, choices=PROFILE_CHOICES, default='Liege')
+    include_all_of_belgium = models.BooleanField(default=True, verbose_name=_('Include all of Belgium'))
     street_with_postal_code = models.BooleanField(
-        default=False, verbose_name=_("Return street with postal code")
+        default=False, verbose_name=_('Return street with postal code')
     )
 
-    verify_cert = models.BooleanField(default=True, verbose_name=_("Check HTTPS Certificate validity"))
+    verify_cert = models.BooleanField(default=True, verbose_name=_('Check HTTPS Certificate validity'))
 
-    category = _("Geographic information system")
+    category = _('Geographic information system')
 
     class Meta:
-        verbose_name = _("Liege Lisrue Service")
+        verbose_name = _('Liege Lisrue Service')
 
     @classmethod
     def get_verbose_name(cls):
@@ -55,40 +55,40 @@ class ImioLiegeLisrue(BaseResource):
 
     @classmethod
     def get_icon_class(cls):
-        return "gis"
+        return 'gis'
 
     @classmethod
     def get_connector_slug(cls):
-        return "imio-liege-lisrue"
+        return 'imio-liege-lisrue'
 
     @endpoint(perm='OPEN')
     def voies(self, request, q=None, **kwargs):
         url = self.service_url
-        if self.profile == "LIEGE_V2":
+        if self.profile == 'LIEGE_V2':
             if self.include_all_of_belgium:
-                url += "jsonruebelgique/findByValue?indexName=RUE&startResult=0&maxResult=30&value="
+                url += 'jsonruebelgique/findByValue?indexName=RUE&startResult=0&maxResult=30&value='
             else:
-                url += "jsonlgrue12/"
+                url += 'jsonlgrue12/'
                 # url += "jsonlgrue2com/" <== commissariat.
         else:
             if self.include_all_of_belgium:
                 # url += "jsonlisrue"
-                url += "jsonruebelgique/findByValue?indexName=RUE&startResult=0&maxResult=30&value="
+                url += 'jsonruebelgique/findByValue?indexName=RUE&startResult=0&maxResult=30&value='
             else:
                 # url += "jsonlisrue2"
-                url += "jsonlgrue12/"
+                url += 'jsonlgrue12/'
         if q:
-            q = force_str(unicodedata.normalize("NFKD", request.GET["q"]).encode("ascii", "ignore"))
+            q = force_str(unicodedata.normalize('NFKD', request.GET['q']).encode('ascii', 'ignore'))
             url += q.lower()
-        result = requests.get(url, headers={"Accept": "application/json"}, verify=self.verify_cert).json()
-        if "data" in result:
-            result["rues"] = result.pop("data")
-        if isinstance(result["rues"], list):
-            lisrues = result["rues"]
-        elif isinstance(result["rues"], dict) and "return" in result["rues"]:
-            lisrues = [result["rues"]["return"]]
-        elif isinstance(result["rues"], dict) and "rue" in result["rues"]:
-            lisrues = [result["rues"]["rue"]]
+        result = requests.get(url, headers={'Accept': 'application/json'}, verify=self.verify_cert).json()
+        if 'data' in result:
+            result['rues'] = result.pop('data')
+        if isinstance(result['rues'], list):
+            lisrues = result['rues']
+        elif isinstance(result['rues'], dict) and 'return' in result['rues']:
+            lisrues = [result['rues']['return']]
+        elif isinstance(result['rues'], dict) and 'rue' in result['rues']:
+            lisrues = [result['rues']['rue']]
         else:
             lisrues = []
 
@@ -96,11 +96,11 @@ class ImioLiegeLisrue(BaseResource):
         known_street_labels = {}
         for item in lisrues:
             if self.include_all_of_belgium:
-                street_label = item.get("libelle")
-            elif item.get("libelleMinuscule"):
-                street_label = "%s %s" % (
-                    item.get("particuleMinuscule") or "",
-                    item.get("libelleMinuscule"),
+                street_label = item.get('libelle')
+            elif item.get('libelleMinuscule'):
+                street_label = '%s %s' % (
+                    item.get('particuleMinuscule') or '',
+                    item.get('libelleMinuscule'),
                 )
             else:
                 continue
@@ -108,31 +108,31 @@ class ImioLiegeLisrue(BaseResource):
                 continue
             known_street_labels[street_label] = True
             if self.street_with_postal_code:
-                street_label = u"{} - {}".format(street_label, str(item.get("codePostal"))).strip()
+                street_label = u'{} - {}'.format(street_label, str(item.get('codePostal'))).strip()
             else:
                 street_label = street_label.strip()
 
-            if self.profile == "LIEGE_V2":
+            if self.profile == 'LIEGE_V2':
                 if self.include_all_of_belgium:
                     streets.append(
                         {
-                            "id": item.get("codeRue") or item.get("codeStreet"),
-                            "text": street_label,
+                            'id': item.get('codeRue') or item.get('codeStreet'),
+                            'text': street_label,
                         }
                     )
                 elif (
-                    item.get("statutVO") is not None and item.get("statutVO").get("code") == 1
-                ) or "jsonlgrue12" in url:
+                    item.get('statutVO') is not None and item.get('statutVO').get('code') == 1
+                ) or 'jsonlgrue12' in url:
                     streets.append(
                         {
-                            "id": item.get("codeRue") or item.get("codeStreet"),
-                            "text": street_label,
-                            "codeCommissariat": item.get("commissariat").get("codeCommissariat")
-                            if item.get("commissariat")
-                            else "",
-                            "libelleCommissariat": item.get("commissariat").get("libelleCommissariat")
-                            if item.get("commissariat")
-                            else "",
+                            'id': item.get('codeRue') or item.get('codeStreet'),
+                            'text': street_label,
+                            'codeCommissariat': item.get('commissariat').get('codeCommissariat')
+                            if item.get('commissariat')
+                            else '',
+                            'libelleCommissariat': item.get('commissariat').get('libelleCommissariat')
+                            if item.get('commissariat')
+                            else '',
                         }
                     )
                 else:
@@ -140,32 +140,32 @@ class ImioLiegeLisrue(BaseResource):
             else:
                 streets.append(
                     {
-                        "id": item.get("codeRue") or item.get("codeStreet"),
-                        "text": street_label,
+                        'id': item.get('codeRue') or item.get('codeStreet'),
+                        'text': street_label,
                     }
                 )
-        return {"data": streets}
+        return {'data': streets}
 
     @endpoint(perm='OPEN')
     def voies_namur(self, request, q=None, postCode=None, **kwargs):
         if q is None:
-            return {"data": []}
+            return {'data': []}
         else:
             url = self.service_url
-            url = "{}?outSrid=31370".format(url)
-            q = force_str(unicodedata.normalize("NFKD", request.GET["q"]).encode("ascii", "ignore"))
-            url = "{}&q={}".format(url, q.lower())
+            url = '{}?outSrid=31370'.format(url)
+            q = force_str(unicodedata.normalize('NFKD', request.GET['q']).encode('ascii', 'ignore'))
+            url = '{}&q={}'.format(url, q.lower())
 
-            result = requests.get(url, headers={"Accept": "application/json"}, verify=self.verify_cert).json()
+            result = requests.get(url, headers={'Accept': 'application/json'}, verify=self.verify_cert).json()
             streets = []
             for item in result:
-                if item.get("postCode") == postCode or postCode is None:
-                    street_label = item.get("rueNom")
+                if item.get('postCode') == postCode or postCode is None:
+                    street_label = item.get('rueNom')
                     streets.append(
                         {
-                            "id": item.get("rueCode"),
-                            "text": street_label,
-                            "postCode": item.get("postCode"),
+                            'id': item.get('rueCode'),
+                            'text': street_label,
+                            'postCode': item.get('postCode'),
                         }
                     )
-            return {"data": streets}
+            return {'data': streets}