<?xml version="1.0"?>
<tree string="Attributes" create="0" delete="0">
                <field name="attribute_id" optional="hide"/>
                <field name="name"/>
                <field name="display_type" optional="hide"/>
                <field name="html_color" attrs="{'invisible': [('display_type', '!=', 'color')]}" widget="color"/>
                <field name="ptav_active" optional="hide"/>
                <field name="price_extra" widget="monetary" options="{'field_digits': True}"/>
                <field name="currency_id" invisible="1"/>
            </tree>
        