hello i want to ask about inherite view form.

i already inherit module sale.order into my new module..

----My code----

from odoo import models, fields, api, exceptions

#from datetime import timedelta

class beli(models.Model):

    # ____________ ORM disini ____________ 

    _name = 'sale.beli'    #(nama model/ Id model)

    _inherit='sale.order'  

    #_inherits='model1,model2'

    _description ='model order'

    #_order ='name asc'  

    #_rec_name="field_pengganti_name" #(overide field name sbg representatif model)

    # ____________ field-field mulai disini ____________ 

is_beli = fields.Boolean(string="Beli?", default=True)

but when I try to inherit sale.order form the result is that the odoo displays another form which I don't know where it came from

-----My code-----

<!--  __________ INHERITED beli view form __________-->

<record model="ir.ui.view" id="beli_view_form_inherited_id">

    <field name="name">beli.form</field>

    <field name="model">sale.beli</field>

        <field name="inherit_id" ref="sale.view_order_form"/>

    <field name="arch" type="xml">