cooperative-market/purchase_order_generator/views/product_template.xml

<?xml version="1.0" encoding="UTF-8"?>

<odoo>
  <record id="product_template_tree" model="ir.ui.view">
      <field name="name">product.template.tree</field>
      <field name="model">product.template</field>
      <field eval="6" name="priority"/>
      <!--<field name="inherit_id" ref="product.product_template_tree_view"/>-->
      <field name="arch" type="xml">

        <tree>
          <field name="name"/>
            <field name="ref interne"/>
            <field name="supplier"/>
            <field name="stock_coverage"/>
            <field name="virtual_coverage"/>
            <field name="categ_id"/>
            <field name="qty_available"/>
            <field name="expected quantity"/>
        </tree>

    </field>
  </record>
</odoo>