diff --git a/easy_my_coop_website/controllers/main.py b/easy_my_coop_website/controllers/main.py
index 3976d57..33db630 100644
--- a/easy_my_coop_website/controllers/main.py
+++ b/easy_my_coop_website/controllers/main.py
@@ -7,16 +7,10 @@ from odoo.http import request
 from odoo.tools.translate import _
 
 # Only use for behavior, don't stock it
-_TECHNICAL = [
-    "view_from",
-    "view_callback"
-]
+_TECHNICAL = ["view_from", "view_callback"]
 
 # transient fields used to compute the address field
-_EXTRA_FIELDS = [
-    "street_name",
-    "house_number"
-]
+_EXTRA_FIELDS = ["street_name", "house_number"]
 
 # Allow in description
 _BLACKLIST = [
@@ -268,7 +262,7 @@ class WebsiteSubscription(http.Controller):
             redirect = "easy_my_coop_website.becomecompanycooperator"
             email = kwargs.get("company_email")
         # TODO: Use a overloaded function with the captcha implementation
-        if request.website.company_id.captcha_type == 'google':
+        if request.website.company_id.captcha_type == "google":
             if (
                 "g-recaptcha-response" not in kwargs
                 or kwargs["g-recaptcha-response"] == ""
@@ -422,10 +416,7 @@ class WebsiteSubscription(http.Controller):
                 and field_name not in _BLACKLIST
             ):
                 values[field_name] = field_value
-            elif (
-                field_name in _EXTRA_FIELDS
-                and field_name not in _BLACKLIST
-            ):
+            elif field_name in _EXTRA_FIELDS and field_name not in _BLACKLIST:
                 values[field_name] = field_value
             # allow to add some free fields or blacklisted field like ID
             elif field_name not in _TECHNICAL:
@@ -470,7 +461,10 @@ class WebsiteSubscription(http.Controller):
 
         values["share_product_id"] = self.get_selected_share(kwargs).id
 
-        values["address"] = kwargs.get("street_name") + ", " + kwargs.get("house_number")
+        values["address"] = "{street}, {number}".format(
+            street=kwargs.get("street_name", ""),
+            number=kwargs.get("house_number", ""),
+        )
         del values["street_name"]
         del values["house_number"]