diff --git a/addons/point_of_sale/models/pos_config.py b/addons/point_of_sale/models/pos_config.py
index e39c4f4614c..f361601efa1 100644
--- a/addons/point_of_sale/models/pos_config.py
+++ b/addons/point_of_sale/models/pos_config.py
@@ -322,7 +322,7 @@ class PosConfig(models.Model):
 
     @api.constrains('cash_control')
     def _check_session_state(self):
-        open_session = self.env['pos.session'].search([('config_id', '=', self.id), ('state', '!=', 'closed')])
+        open_session = self.env['pos.session'].search([('config_id', 'in', self.ids), ('state', '!=', 'closed')], limit=1)
         if open_session:
             raise ValidationError(_("You are not allowed to change the cash control status while a session is already opened."))
 
diff --git a/addons/point_of_sale/models/pos_order.py b/addons/point_of_sale/models/pos_order.py
index a570c6bff22..7727bd202b8 100644
--- a/addons/point_of_sale/models/pos_order.py
+++ b/addons/point_of_sale/models/pos_order.py
@@ -928,7 +928,7 @@ class AccountCashRounding(models.Model):
 
     @api.constrains('rounding', 'rounding_method', 'strategy')
     def _check_session_state(self):
-        open_session = self.env['pos.session'].search([('config_id.rounding_method', '=', self.id), ('state', '!=', 'closed')])
+        open_session = self.env['pos.session'].search([('config_id.rounding_method', 'in', self.ids), ('state', '!=', 'closed')], limit=1)
         if open_session:
             raise ValidationError(
                 _("You are not allowed to change the cash rounding configuration while a pos session using it is already opened."))
diff --git a/addons/stock/models/stock_move_line.py b/addons/stock/models/stock_move_line.py
index 19825276ec3..404a79dd909 100644
--- a/addons/stock/models/stock_move_line.py
+++ b/addons/stock/models/stock_move_line.py
@@ -107,7 +107,7 @@ class StockMoveLine(models.Model):
 
     @api.constrains('qty_done')
     def _check_positive_qty_done(self):
-        if any([ml.qty_done < 0 for ml in self]):
+        if any(ml.qty_done < 0 for ml in self):
             raise ValidationError(_('You can not enter negative quantities.'))
 
     @api.onchange('product_id', 'product_uom_id')