diff --git a/mail_attach_existing_attachment/wizard/mail_compose_message_view.xml b/mail_attach_existing_attachment/wizard/mail_compose_message_view.xml
index d79a034..d75bdc9 100644
--- a/mail_attach_existing_attachment/wizard/mail_compose_message_view.xml
+++ b/mail_attach_existing_attachment/wizard/mail_compose_message_view.xml
@@ -1,15 +1,21 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <odoo>
     <record model="ir.ui.view" id="email_compose_message_wizard_inherit_form">
-        <field name="name">mail.compose.message.form (mail_attach_existing_attachment)</field>
+        <field
+            name="name"
+        >mail.compose.message.form (mail_attach_existing_attachment)</field>
         <field name="model">mail.compose.message</field>
-        <field name="inherit_id" ref="mail.email_compose_message_wizard_form"/>
+        <field name="inherit_id" ref="mail.email_compose_message_wizard_form" />
         <field name="arch" type="xml">
             <xpath expr="//field[@name='attachment_ids']" position="after">
-                <field name="can_attach_attachment" invisible="1"/>
+                <field name="can_attach_attachment" invisible="1" />
                 <div attrs="{'invisible': [('can_attach_attachment', '=', False)]}">
                     <br />
-                    <field name="object_attachment_ids" widget="many2many_checkboxes" domain="[('res_model', '=', model), ('res_id', '=', res_id)]" />
+                    <field
+                        name="object_attachment_ids"
+                        widget="many2many_checkboxes"
+                        domain="[('res_model', '=', model), ('res_id', '=', res_id)]"
+                    />
                 </div>
             </xpath>
         </field>