Odoo-Build/snippets/purchase.report_purchasequotation_document.qty_with_decimal.xml

<data inherit_id="purchase.report_purchasequotation_document" priority="50">
    <xpath expr="//span[@id='product_qty']" position="replace">
        <t t-if="order_line.product_uom.id == 1">
            <span id="product_qty" t-field="order_line.product_qty" t-options="{'widget': 'integer'}"/>
        </t>
        <t t-else="">
            <span id="product_qty" t-field="order_line.product_qty"/>
        </t>
    </xpath>
</data>