title: Django TemplateSyntaxError - 'staticfiles' is not a registered tag library
body: <p>After upgrading to Django 3.0, I get the following <code>TemplateSyntaxError</code>:</p>
  
  <pre><code>In template /Users/alasdair//myproject/myapp/templates/index.html, error at line 1
  'staticfiles' is not a registered tag library. Must be one of: admin_list admin_modify admin_urls cache i18n l10n log static tz
  </code></pre>
  
  <p>Here is my template</p>
  
  <pre><code>{% load staticfiles %}
  &lt;img src="{% static 'my_image.html' %}"&gt;
  </code></pre>