Moved the imports from the top of the file into the task function. This seemed to prevent some strange import errors that only occurred on the production server. I don't know if the problems were related to mod_wsgi or Python 2.5 or what.

<div class="side-block">
<div class="side-block-title">
{% block block_title %}{% endblock %}
</div>
<div class="side-block-content">
{% block block_content %}{% endblock %}
</div>
</div>