[FIX] no encontraba la clase para montar el botón

views/voucher_import.xml

@@ -19,7 +19,7 @@
             <field name="inherit_id" ref="account.view_bank_statement_form"/>
             <field name="arch" type="xml">
                 <label for="name" position="before">
-                    <div class="oe_right oe_button_box voucher_import" attrs="{'invisible': [('state','=','confirm')]} "  groups="account.group_account_user"></div>
+                    <div class="oe_right oe_button_box voucher-import" attrs="{'invisible': [('state','=','confirm')]} "  groups="account.group_account_user"></div>
                 </label>
             </field>
         </record>