Resolve "AttributeError at /data_check/' · NoneType' object has no attribute '_meta' [Ticket#75816]"

Closes #601 (closed)

aleksis/core/templates/core/data_check/list.html

@@ -50,27 +50,29 @@
           </thead>
           <tbody>
           {% for result in results %}
-            <tr>
-              <td>
-                <code>{{ result.id }}</code>
-              </td>
-              <td>{% verbose_name_object result.related_object %}</td>
-              <td>{{ result.related_object }}</td>
-              <td>{{ result.related_check.problem_name }}</td>
-              <td>
-                <a class="btn-flat waves-effect waves-light" href="{{ result.related_object.get_absolute_url }}">
-                  {% trans "Show object" %}
-                </a>
-              </td>
-              <td>
-                {% for option_name, option in result.related_check.solve_options.items %}
-                  <a class="btn btn-margin waves-effect waves-light"
-                     href="{% url "data_check_solve" result.pk option_name %}">
-                    {{ option.verbose_name }}
+            {% if result.related_object %}
+              <tr>
+                <td>
+                  <code>{{ result.id }}</code>
+                </td>
+                <td>{% verbose_name_object result.related_object %}</td>
+                <td>{{ result.related_object }}</td>
+                <td>{{ result.related_check.problem_name }}</td>
+                <td>
+                  <a class="btn-flat waves-effect waves-light" href="{{ result.related_object.get_absolute_url }}">
+                    {% trans "Show object" %}
                   </a>
-                {% endfor %}
-              </td>
-            </tr>
+                </td>
+                <td>
+                  {% for option_name, option in result.related_check.solve_options.items %}
+                    <a class="btn btn-margin waves-effect waves-light"
+                       href="{% url "data_check_solve" result.pk option_name %}">
+                      {{ option.verbose_name }}
+                    </a>
+                  {% endfor %}
+                </td>
+              </tr>
+            {% endif %}
           {% endfor %}
           </tbody>
         </table>