replaced acco_required with user.acco_required in template and made change accordingly
{% extends 'base.html' %}
{% block title %}
Thankyou
{% endblock %}
{% block content %}
Thank you for confirming your participation in the Python workshop.<br /><br />
Please visit <a href="">Installing Python and other pachages on your distro</a> for instructions on installing software needed for the workshop on your laptop.<br /><br />
This page can be revisited by clicking on the link that was sent to your mail.
{% endblock %}