changed feedback url in view event template.
{% extends "base.html" %}
{% block content %}
{% if success %}
The feedback for day {{day}} of <a href="/workshop/registration/event/view/{{event.key}}">{{event.title}}</a> has been opened.<br />
{% else %}
Select the day of workshop <a href="/workshop/registration/event/view/{{event.key}}">{{event.title}}</a> to start accepting feedbacks.
<form action="" method="post">
Day:<br />
<select name="day">
{% for day in days %}
<option value="{{day}}">Day {{day}}</option>
{% endfor %}
</select>
<input value="Open" type="submit">
</form>
{% endif %}
{% endblock %}