odoo-event-addons/event_sale_balance/views/product_product.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

  <record id="product_variant_easy_edit_view_inherit" model="ir.ui.view">
    <field name="name">product.product.view.form.inherit</field>
    <field name="model">product.product</field>
    <field name="inherit_id" ref="product.product_variant_easy_edit_view" />
    <field name="arch" type="xml">
      <group name="product_variant_images" position="after">
        <group name="event" string="Event sale" attrs="{'invisible': [('detailed_type','!=','event')]}">
          <field name="is_deposit" />
          <field name="balance_variant_id" options="{'no_create': 1}" />
        </group>
      </group>
    </field>
  </record>

  <record id="product_normal_form_view_inherit" model="ir.ui.view">
    <field name="name">product.product.view.form.inherit</field>
    <field name="model">product.product</field>
    <field name="inherit_id" ref="product.product_normal_form_view" />
    <field name="arch" type="xml">
      <group name="description" position="after">
        <group name="event" string="Event sale" attrs="{'invisible': [('detailed_type','!=','event')]}">
          <field name="is_deposit" />
          <field name="balance_variant_id" options="{'no_create': 1}" />
        </group>
      </group>
    </field>
  </record>

</odoo>