diff --git a/src/domain.py b/src/domain.py
index 8a874687f..31ad6f0d1 100644
--- a/src/domain.py
+++ b/src/domain.py
@@ -471,7 +471,10 @@ def domain_main_domain(operation_logger, new_main_domain=None):
         regen_conf()
 
     from yunohost.user import _update_admins_group_aliases
-    _update_admins_group_aliases(old_main_domain=old_main_domain, new_main_domain=new_main_domain)
+
+    _update_admins_group_aliases(
+        old_main_domain=old_main_domain, new_main_domain=new_main_domain
+    )
 
     logger.success(m18n.n("main_domain_changed"))
 
diff --git a/src/migrations/0026_new_admins_group.py b/src/migrations/0026_new_admins_group.py
index 8060610bb..5d9167ae7 100644
--- a/src/migrations/0026_new_admins_group.py
+++ b/src/migrations/0026_new_admins_group.py
@@ -22,7 +22,14 @@ class MyMigration(Migration):
     @Migration.ldap_migration
     def run(self, *args):
 
-        from yunohost.user import user_list, user_info, user_group_update, user_update, user_group_add_mailalias, ADMIN_ALIASES
+        from yunohost.user import (
+            user_list,
+            user_info,
+            user_group_update,
+            user_update,
+            user_group_add_mailalias,
+            ADMIN_ALIASES,
+        )
         from yunohost.utils.ldap import _get_ldap_interface
         from yunohost.permission import permission_sync_to_user
         from yunohost.domain import _get_maindomain
@@ -94,7 +101,9 @@ class MyMigration(Migration):
             },
         )
 
-        user_group_add_mailalias("admins", [f"{alias}@{main_domain}" for alias in ADMIN_ALIASES])
+        user_group_add_mailalias(
+            "admins", [f"{alias}@{main_domain}" for alias in ADMIN_ALIASES]
+        )
 
         permission_sync_to_user()
 
diff --git a/src/user.py b/src/user.py
index f177e8f93..2fcd8ab9f 100644
--- a/src/user.py
+++ b/src/user.py
@@ -1146,7 +1146,9 @@ def user_group_update(
     # We extract the uid for each member of the group to keep a simple flat list of members
     current_group_mail = group.get("mail", [])
     new_group_mail = copy.copy(current_group_mail)
-    current_group_members = [_ldap_path_extract(p, "uid") for p in group.get("member", [])]
+    current_group_members = [
+        _ldap_path_extract(p, "uid") for p in group.get("member", [])
+    ]
     new_group_members = copy.copy(current_group_members)
     new_attr_dict = {}
 
@@ -1194,6 +1196,7 @@ def user_group_update(
     if add_mailalias:
 
         from yunohost.domain import domain_list
+
         domains = domain_list()["domains"]
 
         if not isinstance(add_mailalias, list):
@@ -1215,11 +1218,20 @@ def user_group_update(
 
     if remove_mailalias:
         from yunohost.domain import _get_maindomain
+
         if not isinstance(remove_mailalias, list):
             remove_mailalias = [remove_mailalias]
         for mail in remove_mailalias:
-            if "@" in mail and mail.split("@")[0] in ADMIN_ALIASES and groupname == "admins" and mail.split("@")[1] == _get_maindomain():
-                raise YunohostValidationError(f"The alias {mail} can not be removed from the 'admins' group", raw_msg=True)
+            if (
+                "@" in mail
+                and mail.split("@")[0] in ADMIN_ALIASES
+                and groupname == "admins"
+                and mail.split("@")[1] == _get_maindomain()
+            ):
+                raise YunohostValidationError(
+                    f"The alias {mail} can not be removed from the 'admins' group",
+                    raw_msg=True,
+                )
             if mail in new_group_mail:
                 new_group_mail.remove(mail)
             else:
@@ -1233,16 +1245,15 @@ def user_group_update(
         if new_attr_dict["mail"] and "mailAccount" not in group["objectClass"]:
             new_attr_dict["objectClass"] = group["objectClass"] + ["mailAccount"]
         elif not new_attr_dict["mail"] and "mailAccount" in group["objectClass"]:
-            new_attr_dict["objectClass"] = [c for c in group["objectClass"] if c != "mailAccount"]
+            new_attr_dict["objectClass"] = [
+                c for c in group["objectClass"] if c != "mailAccount"
+            ]
 
     if new_attr_dict:
         if not from_import:
             operation_logger.start()
         try:
-            ldap.update(
-                f"cn={groupname},ou=groups",
-                new_attr_dict
-            )
+            ldap.update(f"cn={groupname},ou=groups", new_attr_dict)
         except Exception as e:
             raise YunohostError("group_update_failed", group=groupname, error=e)
 
@@ -1293,7 +1304,7 @@ def user_group_info(groupname):
         "permissions": [
             _ldap_path_extract(p, "cn") for p in infos.get("permission", [])
         ],
-        "mail-aliases": [m for m in infos.get("mail", [])]
+        "mail-aliases": [m for m in infos.get("mail", [])],
     }
 
 
@@ -1330,6 +1341,7 @@ def user_group_add_mailalias(groupname, aliases):
 def user_group_remove_mailalias(groupname, aliases):
     return user_group_update(groupname, remove_mailalias=aliases, sync_perm=False)
 
+
 #
 # Permission subcategory
 #
@@ -1435,8 +1447,15 @@ def _update_admins_group_aliases(old_main_domain, new_main_domain):
 
     current_admin_aliases = user_group_info("admins")["mail-aliases"]
 
-    aliases_to_remove = [a for a in current_admin_aliases \
-                         if "@" in a and a.split("@")[1] == old_main_domain and a.split("@")[0] in ADMIN_ALIASES]
+    aliases_to_remove = [
+        a
+        for a in current_admin_aliases
+        if "@" in a
+        and a.split("@")[1] == old_main_domain
+        and a.split("@")[0] in ADMIN_ALIASES
+    ]
     aliases_to_add = [f"{a}@{new_main_domain}" for a in ADMIN_ALIASES]
 
-    user_group_update("admins", add_mailalias=aliases_to_add, remove_mailalias=aliases_to_remove)
+    user_group_update(
+        "admins", add_mailalias=aliases_to_add, remove_mailalias=aliases_to_remove
+    )