fixed assign_task method to display a not_allowed message if task status not in OP WR.
{% extends 'base.html' %}
{% block title %}
{{task.title}}
{% endblock %}
{% block content %}
The user who created a task will become a mentor for the task. Mentor is a person who mentors the task.
Mentor has all the rights over the task. A Mentor can request other users also to mentor the task.
Mentor can add/remove subtasks if applicable. Mentor can request assign of credits for task.
Mentor can mark the task as Invalid/Complete.<br />
{% endblock %}