import-export select fix

# shared/templates/admin/import_export/base.html
{% extends "admin/import_export/base.html" %}
{% load static %}

{% block extrahead %}{{ block.super }}
    <script type="text/javascript" src="{% static "admin/js/vendor/jquery/jquery.js" %}"></script>
    <script type="text/javascript" src="{% static "admin/js/jquery.init.js" %}"></script>
{% endblock %}