[FIX] precompute _compute_selected_debt

account_payment_pro/models/account_payment.py

@@ -96,7 +96,7 @@ class AccountPayment(models.Model):
         help='This lines are the ones the user has selected to be paid.',
         copy=False,
         readonly=False,
-        check_company=True
+        check_company=True,
     )
     matched_move_line_ids = fields.Many2many(
         'account.move.line',
@@ -399,7 +399,7 @@ def _compute_payment_difference(self):
         for rec in self:
             rec.payment_difference = rec._get_payment_difference()
 
-    @api.depends('to_pay_move_line_ids.amount_residual')
+    @api.depends('to_pay_move_line_ids', 'to_pay_move_line_ids.amount_residual')
     def _compute_selected_debt(self):
         for rec in self:
             # factor = 1
@@ -425,11 +425,13 @@ def _inverse_to_pay_amount(self):
     def _compute_to_pay_move_lines(self):
         # TODO deberiamos ver que se recomputen solo si la deuda que esta seleccionada NO es de este
         # partner, compania o partner_type
-        # # if payment group is being created from a payment we dont want to compute to_pay_move_lines
+        # # if payment group is being   created from a payment we dont want to compute to_pay_move_lines
         # if self._context.get('created_automatically'):
         #     return
         for rec in self:
-            rec.add_all()
+            if rec.partner_id != rec._origin.partner_id or rec.partner_type != rec._origin.partner_type or \
+                    rec.company_id != rec._origin.company_id:
+                rec.add_all()
 
     def _get_to_pay_move_lines_domain(self):
         self.ensure_one()