From 93274106a2c92c1fbd7b9eb3b18d574d09e1df18 Mon Sep 17 00:00:00 2001
From: Justin Myers <justmobilize@users.noreply.github.com>
Date: Tue, 7 Oct 2025 09:04:23 -0700
Subject: [PATCH] Fix collapse in Django 5.1+

---
 constance/templates/admin/constance/change_list.html | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/constance/templates/admin/constance/change_list.html b/constance/templates/admin/constance/change_list.html
index 0bfdb9a..4fc96bc 100644
--- a/constance/templates/admin/constance/change_list.html
+++ b/constance/templates/admin/constance/change_list.html
@@ -49,10 +49,21 @@
             {% if fieldsets %}
               {% for fieldset in fieldsets %}
               <fieldset class="module{% if fieldset.collapse %} collapse{% endif %}">
+                  {% if django_version < "5.1" %}
                   <h2>{{ fieldset.title }}</h2>
                   {% with config_values=fieldset.config_values %}
                     {% include "admin/constance/includes/results_list.html" %}
                   {% endwith %}
+                  {% else %}
+                  <details>
+                      <summary>
+                          <h2 class="fieldset-heading">{{ fieldset.title }}</h2>
+                      </summary>
+                      {% with config_values=fieldset.config_values %}
+                        {% include "admin/constance/includes/results_list.html" %}
+                      {% endwith %}
+                  </details>
+                  {% endif %}
               </fieldset>
               {% endfor %}
             {% else %}