Error during template rendering

In template /home/rnikhil275/streaming-system/website/frontend/templates/index.html, error at line 12
Reverse for 'switter_tweets' with arguments '()' and keyword arguments '{}' not found.
2	{% comment %}
3	-*- coding: utf-8 -*-
4	vim: set ts=2 sw=2 et sts=2 ai:
5	{% endcomment %}
6
7	{% block head %}
8	    <script type="text/javascript" src="/static/js/jquery.tweet.js"></script>
9	    <link href="/static/css/jquery.tweet.css" media="all" rel="stylesheet" type="text/css"/>
10	    <script type='text/javascript'>
11	    jQuery(function(){
12	        var switter_url = '{% url "switter_tweets" %}';
13
14	        // Individual tweets from @PyconAV to inform about the website
15	        $("#announce").tweet({
16	            twitter_api_proxy_url: switter_url,
17
18	            username: "{{ default.twitter_announce|urlencode }}",
19	            join_text: "auto",
20	            avatar_size: 0,
21	            count: 1,
22	            auto_join_text_default: "PyCon AV:",