diff --git a/stock_reserve_rule/models/stock_picking_type.py b/stock_reserve_rule/models/stock_picking_type.py
index 3ed437797..a6215a91f 100644
--- a/stock_reserve_rule/models/stock_picking_type.py
+++ b/stock_reserve_rule/models/stock_picking_type.py
@@ -8,5 +8,6 @@ class StockPickingType(models.Model):
     _inherit = "stock.picking.type"
 
     reserve_rule_ids = fields.Many2many(
-        comodel_name="stock.reserve.rule", inverse_name="picking_type_ids",
+        comodel_name="stock.reserve.rule",
+        inverse_name="picking_type_ids",
     )
diff --git a/stock_reserve_rule/models/stock_reserve_rule.py b/stock_reserve_rule/models/stock_reserve_rule.py
index 42adda991..ef74c6dc3 100644
--- a/stock_reserve_rule/models/stock_reserve_rule.py
+++ b/stock_reserve_rule/models/stock_reserve_rule.py
@@ -163,7 +163,8 @@ class StockReserveRuleRemoval(models.Model):
                     "Removal rule '{}' location has to be a child "
                     "of the rule location '{}'."
                 ).format(
-                    removal_rule.name, removal_rule.rule_id.location_id.display_name,
+                    removal_rule.name,
+                    removal_rule.rule_id.location_id.display_name,
                 )
                 raise ValidationError(msg)