[ADD]Force send mail

models/acc_contract.py

@@ -55,12 +55,12 @@ class AccContract(models.Model):
             template = self.env.ref(
                 'acc_operation.email_template_document',
                 raise_if_not_found=False)
-            template.with_context().send_mail(doc.seller_id.id)
+            template.with_context().send_mail(doc.seller_id.id, force_send=True)
         if doc.buyer_id:
             template = self.env.ref(
                 'acc_operation.email_template_document',
                 raise_if_not_found=False)
-            template.with_context().send_mail(doc.buyer_id.id)
+            template.with_context().send_mail(doc.buyer_id.id, force_send=True)
         return doc
     # ------------------------------------------------------
     # Actions