<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <record id="view_product_supplier_inherit" model="ir.ui.view">
        <field name="model">product.template</field>
        <field name="inherit_id" ref="purchase.view_product_supplier_inherit" />
        <field name="arch" type="xml">
            <field name="seller_ids" position="attributes">
                <attribute name="groups">purchase.group_purchase_user</attribute>
            </field>
            <field name="variant_seller_ids" position="attributes">
                <attribute name="groups">purchase.group_purchase_user</attribute>
            </field>
        </field>
    </record>
</odoo>
