diff --git a/src/backend/core/tests/resource_server_api/teams/test_list.py b/src/backend/core/tests/resource_server_api/teams/test_list.py
index 2093834..b6ca255 100644
--- a/src/backend/core/tests/resource_server_api/teams/test_list.py
+++ b/src/backend/core/tests/resource_server_api/teams/test_list.py
@@ -192,9 +192,9 @@ def test_api_teams_order_param(client, force_login_via_resource_server):
     response_data = response.json()
     response_team_ids = [team["id"] for team in response_data["results"]]
 
-    assert (
-        response_team_ids == team_ids
-    ), "created_at values are not sorted from oldest to newest"
+    assert response_team_ids == team_ids, (
+        "created_at values are not sorted from oldest to newest"
+    )
 
 
 def test_api_teams_list_with_parent_teams(client, force_login_via_resource_server):
diff --git a/src/backend/core/tests/teams/test_core_api_teams_list.py b/src/backend/core/tests/teams/test_core_api_teams_list.py
index 020ad0f..8692502 100644
--- a/src/backend/core/tests/teams/test_core_api_teams_list.py
+++ b/src/backend/core/tests/teams/test_core_api_teams_list.py
@@ -95,9 +95,9 @@ def test_api_teams_order():
     response_team_ids = [team["id"] for team in response_data]
 
     team_ids.reverse()
-    assert (
-        response_team_ids == team_ids
-    ), "created_at values are not sorted from newest to oldest"
+    assert response_team_ids == team_ids, (
+        "created_at values are not sorted from newest to oldest"
+    )
 
 
 def test_api_teams_order_param():
@@ -122,9 +122,9 @@ def test_api_teams_order_param():
     response_data = response.json()
     response_team_ids = [team["id"] for team in response_data]
 
-    assert (
-        response_team_ids == team_ids
-    ), "created_at values are not sorted from oldest to newest"
+    assert response_team_ids == team_ids, (
+        "created_at values are not sorted from oldest to newest"
+    )
 
 
 @pytest.mark.parametrize(
diff --git a/src/backend/mailbox_manager/tests/commands/test_dimail_setup_db.py b/src/backend/mailbox_manager/tests/commands/test_dimail_setup_db.py
index dfc8187..52e0bc1 100644
--- a/src/backend/mailbox_manager/tests/commands/test_dimail_setup_db.py
+++ b/src/backend/mailbox_manager/tests/commands/test_dimail_setup_db.py
@@ -119,10 +119,7 @@ def test_commands_setup_dimail_db(settings):
 
     assert (
         f"{DIMAIL_URL}/users/",
-        (
-            b'{"name": "sub.toto.123", "password": "no", "is_admin": false, '
-            b'"perms": []}'
-        ),
+        (b'{"name": "sub.toto.123", "password": "no", "is_admin": false, "perms": []}'),
     ) in dimail_calls
 
     assert (