<record id="action_import_sale_order_line_wizard" model="ir.actions.act_window">

    <field name="name">Import Material</field>

    <field name="type">ir.actions.act_window</field>

    <field name="res_model">import.sale.order.line.wizard</field>

    <field name="domain">[('proposal_id', '=', active_id)]</field>

    <field name="view_mode">tree,form</field>

    <field name="view_id" ref="configurator.import_sale_order_line_wizard_tree"/>

    <field name="binding_model_id" ref="model_proposals"/>

    <field name="binding_view_types">form</field>

    <field name="context">{'default_proposal_id': active_id}</field>

</record>

I want to make  to add this condition attrs="{'readonly': ['|', ('state', '!=', 'draft'), ('is_author', '=', False)]}"​. But where should I put it?

I've tried add {'invisible': [('state', '!=', 'draft'), ('is_author', '=', False)]}. But I'm getting error

<record id="action_import_sale_order_line_wizard" model="ir.actions.act_window">

    <field name="name">Import Material</field>

    <field name="type">ir.actions.act_window</field>

    <field name="res_model">import.sale.order.line.wizard</field>

    <field name="domain">[('proposal_id', '=', active_id)]</field>

    <field name="view_mode">tree,form</field>

    <field name="view_id" ref="configurator.import_sale_order_line_wizard_tree"/>

    <field name="binding_model_id" ref="model_proposals"/>

    <field name="binding_view_types">form</field>

    <field name="context">{'default_proposal_id': active_id}</field>

    <field name="attrs">{'invisible': [('state', '!=', 'draft'), ('is_author', '=', False)]}</field>

</record>