[tryton-commits] [tryton] [7.6] Always return a date for tax date of TaxableMixin

[Cédric Krier]

details:   https://code.tryton.org/tryton/commit/3e9926ae485e
branch:    7.6
user:      Cédric Krier <c...@b2ck.com>
date:      Sat Jan 17 12:53:33 2026 +0100
description:
        Always return a date for tax date of TaxableMixin

        Closes #14486
        (grafted from b2ab8b67ca33fe466bc1be9712de08ec26d6ea80)
diffstat:

 modules/account_invoice/invoice.py |  2 ++
 modules/sale_point/sale.py         |  4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diffs (33 lines):

diff -r 67349b4d1cd7 -r 3e9926ae485e modules/account_invoice/invoice.py
--- a/modules/account_invoice/invoice.py        Fri Jan 16 13:16:50 2026 +0100
+++ b/modules/account_invoice/invoice.py        Sat Jan 17 12:53:33 2026 +0100
@@ -2593,6 +2593,8 @@
             return self.taxes_date
         elif hasattr(self, 'invoice') and hasattr(self.invoice, 'tax_date'):
             return self.invoice.tax_date
+        else:
+            return super().tax_date
 
     def _get_tax_context(self):
         if self.invoice:
diff -r 67349b4d1cd7 -r 3e9926ae485e modules/sale_point/sale.py
--- a/modules/sale_point/sale.py        Fri Jan 16 13:16:50 2026 +0100
+++ b/modules/sale_point/sale.py        Sat Jan 17 12:53:33 2026 +0100
@@ -448,7 +448,7 @@
 
     @property
     def tax_date(self):
-        return self.date
+        return self.date or super().tax_date
 
 
 class POSSaleLine(ModelSQL, ModelView, TaxableMixin):
@@ -721,7 +721,7 @@
 
     @property
     def tax_date(self):
-        return self.sale.date
+        return self.sale.date or super().tax_date
 
 
 class POSCashSession(Workflow, ModelSQL, ModelView):