Update

templates/show_error.html

@@ -7,9 +7,9 @@
 {% block content %}
 <div class="p-2">
 
-<h1>Software error: {{ tb.exception_type }}</h1>
+<h1>Software error: {{ exception_type }}</h1>
 <div>
-  <pre>{{ tb.exception }}</pre>
+  <pre>{{ exception }}</pre>
 </div>
 
 {% set body %}
@@ -19,10 +19,12 @@ URL: {{ request.url }}
 {% endset %}
 
 <h2 class="traceback">Traceback <em>(most recent call last)</em></h2>
-{{ tb.render_summary(include_title=False) | safe }}
+{{ summary | safe }}
 
+{#
 <p>Error in function "{{ last_frame.function_name }}": {{ last_frame_args | pprint }}</p>
 <pre>{{ last_frame.locals | pprint }}</pre>
+#}
 </div>
 
 {% endblock %}