Use DRY principle to manage third party javascript libraries. Created script_tags template tags to generate the correct link and script tags for 3rd party libraries. The settings.py file is the only place where the full path name is specified.

{% extends 'base.html' %}
{% block custom_css %}
<link rel="stylesheet" type="text/css" href="{{ MEDIA_URL }}css/bio.css" />
{% block bio_css %}{% endblock %}
{% endblock %}
{% block content %}
{% endblock %}