diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 62daabe5abf..eb479206bad 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -259,7 +259,7 @@ class AccountMove(models.Model):
             aml = ac_move.line_ids.filtered(lambda x: x.account_id.reconcile or x.account_id.internal_type == 'liquidity')
             aml.remove_move_reconcile()
             #reconcile together the reconciliable (or the liquidity aml) and their newly created counterpart
-            for account in list(set([x.account_id for x in aml])):
+            for account in set([x.account_id for x in aml]):
                 to_rec = aml.filtered(lambda y: y.account_id == account)
                 to_rec |= reversed_move.line_ids.filtered(lambda y: y.account_id == account)
                 #reconciliation will be full, so speed up the computation by using skip_full_reconcile_check in the context
@@ -1311,6 +1311,8 @@ class AccountMoveLine(models.Model):
                         ctx = {}
                         if 'date' in vals:
                             ctx['date'] = vals['date']
+                        elif 'date_maturity' in vals:
+                            ctx['date'] = vals['date_maturity']
                         temp['currency_id'] = bank.currency_id.id
                         temp['amount_currency'] = bank.company_id.currency_id.with_context(ctx).compute(tax_vals['amount'], bank.currency_id, round=True)
                     if vals.get('tax_exigible'):
diff --git a/addons/product/models/product_attribute.py b/addons/product/models/product_attribute.py
index 0b319b6d8ce..ee9c7d4a95d 100644
--- a/addons/product/models/product_attribute.py
+++ b/addons/product/models/product_attribute.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
+from odoo.osv import expression
 from odoo import api, fields, models, _
 from odoo.addons import decimal_precision as dp
 from odoo.exceptions import UserError, ValidationError
@@ -108,6 +109,7 @@ class ProductAttributeLine(models.Model):
         # search on a m2o and one on a m2m, probably this will quickly become
         # difficult to compute - check if performance optimization is required
         if name and operator in ('=', 'ilike', '=ilike', 'like', '=like'):
-            args = expression.AND([['|', ('attribute_id', operator, name), ('value_ids', operator, name)], args])
-            return self.search(args, limit=limit).name_get()
+            args = args or []
+            domain = ['|', ('attribute_id', operator, name), ('value_ids', operator, name)]
+            return self.search(expression.AND([domain, args]), limit=limit).name_get()
         return super(ProductAttributeLine, self).name_search(name=name, args=args, operator=operator, limit=limit)
diff --git a/addons/purchase_requisition/models/purchase_requisition.py b/addons/purchase_requisition/models/purchase_requisition.py
index 79a8e28a91c..650d442da1a 100644
--- a/addons/purchase_requisition/models/purchase_requisition.py
+++ b/addons/purchase_requisition/models/purchase_requisition.py
@@ -200,7 +200,7 @@ class PurchaseOrder(models.Model):
 
         self.partner_id = partner.id
         self.fiscal_position_id = fpos.id
-        self.payment_term_id = payment_term.id,
+        self.payment_term_id = payment_term.id
         self.company_id = requisition.company_id.id
         self.currency_id = currency.id
         if not self.origin or requisition.name not in self.origin.split(', '):
diff --git a/addons/website_sale/controllers/main.py b/addons/website_sale/controllers/main.py
index 452d5507c3e..2525602d74e 100644
--- a/addons/website_sale/controllers/main.py
+++ b/addons/website_sale/controllers/main.py
@@ -356,6 +356,9 @@ class WebsiteSale(http.Controller):
         revive: Revival method when abandoned cart. Can be 'merge' or 'squash'
         """
         order = request.website.sale_get_order()
+        if order and order.state != 'draft':
+            request.session['sale_order_id'] = None
+            order = request.website.sale_get_order()
         values = {}
         if access_token:
             abandoned_order = request.env['sale.order'].sudo().search([('access_token', '=', access_token)], limit=1)
@@ -398,7 +401,7 @@ class WebsiteSale(http.Controller):
 
     @http.route(['/shop/cart/update'], type='http', auth="public", methods=['POST'], website=True, csrf=False)
     def cart_update(self, product_id, add_qty=1, set_qty=0, **kw):
-        sale_order = request.website.sale_get_order(force_create=1)
+        sale_order = request.website.sale_get_order(force_create=True)
         if sale_order.state != 'draft':
             request.session['sale_order_id'] = None
             sale_order = request.website.sale_get_order(force_create=True)
diff --git a/addons/website_sale_options/controllers/main.py b/addons/website_sale_options/controllers/main.py
index 1f151f0dcf7..9f677bbcfbb 100644
--- a/addons/website_sale_options/controllers/main.py
+++ b/addons/website_sale_options/controllers/main.py
@@ -19,7 +19,10 @@ class WebsiteSaleOptions(WebsiteSale):
         if lang:
             request.website = request.website.with_context(lang=lang)
 
-        order = request.website.sale_get_order(force_create=1)
+        order = request.website.sale_get_order(force_create=True)
+        if order.state != 'draft':
+            request.session['sale_order_id'] = None
+            order = request.website.sale_get_order(force_create=True)
         product = request.env['product.product'].browse(int(product_id))
 
         option_ids = product.optional_product_ids.mapped('product_variant_ids').ids