[FIX] Bug Fixed 'sale_discount_total'

sale_discount_total/views/invoice_report.xml

@@ -3,6 +3,9 @@
     <data>
 
         <template id="report_invoice_customized" inherit_id="account.report_invoice_document">
+            <xpath expr="//span[@t-field='l.discount']" position="replace">
+                 <span t-esc="'%.2f'%(l.discount)"/>
+            </xpath>
             <xpath expr="//tr[hasclass('border-black')]" position="after">
                 <tr>
                     <td>Discount</td>