odoo/addons/hr_attendance/static/src/xml/attendance.xml

<template>
    <t t-name="AttendanceSlider">
        <div class="oe_attendance_status oe_attendance_nosigned" data-toggle="tooltip">
             <div class="oe_attendance_signin"></div>
             <div class="oe_attendance_signout"></div>
        </div>
    </t>
</template>