diff --git a/base_m2m_custom_field/__manifest__.py b/base_m2m_custom_field/__manifest__.py
index 76ae9eb5b..7d72be6d1 100644
--- a/base_m2m_custom_field/__manifest__.py
+++ b/base_m2m_custom_field/__manifest__.py
@@ -8,8 +8,6 @@
     "author": "Camptocamp, Odoo Community Association (OCA)",
     "license": "AGPL-3",
     "website": "https://github.com/OCA/server-tools",
-    "depends": [
-        "base",
-    ],
+    "depends": ["base"],
     "installable": True,
 }
diff --git a/base_m2m_custom_field/fields.py b/base_m2m_custom_field/fields.py
index 6136f37fa..65729bd45 100644
--- a/base_m2m_custom_field/fields.py
+++ b/base_m2m_custom_field/fields.py
@@ -10,9 +10,7 @@ class Many2manyCustom(fields.Many2many):
         at the initialization of the field (boolean)
     """
 
-    _slots = {
-        'create_table': True
-    }
+    _slots = {"create_table": True}
 
     def update_db(self, model, columns):
         if not self.create_table: