[IMP] l10n_it_fatturapa_in: payment_term parametric for customer

l10n_it_fatturapa_in/wizard/wizard_import_fatturapa.py

@@ -1167,6 +1167,12 @@ def _get_received_date(self, attachment):
         received_date = received_date.date()
         return received_date
 
+    def _get_payment_term(self, partner):
+        payment_term_id = False
+        if partner.property_supplier_payment_term_id:
+            payment_term_id = partner.property_supplier_payment_term_id.id
+        return payment_term_id
+
     def _prepare_invoice_values(self, fatt, fatturapa_attachment, FatturaBody, partner):
         company = self.env.company
         currency = self._get_currency(FatturaBody)
@@ -1197,6 +1203,7 @@ def _prepare_invoice_values(self, fatt, fatturapa_attachment, FatturaBody, partn
             partner,
             delivery=delivery_partner,
         )
+        payment_term_id = self._get_payment_term(partner)
 
         invoice_data = {
             "e_invoice_received_date": e_invoice_received_date,
@@ -1212,7 +1219,7 @@ def _prepare_invoice_values(self, fatt, fatturapa_attachment, FatturaBody, partn
             "journal_id": purchase_journal.id,
             # 'origin': xmlData.datiOrdineAcquisto,
             "fiscal_position_id": fiscal_position.id,
-            "invoice_payment_term_id": partner.property_supplier_payment_term_id.id,
+            "invoice_payment_term_id": payment_term_id,
             "company_id": company.id,
             "fatturapa_attachment_in_id": fatturapa_attachment.id,
             "narration": comment,