Fix form when query returns nothing

radis/search/templates/search/search.html

@@ -13,7 +13,7 @@ <h4 class="mb-3">Search Reports</h4>
                 <div id="search-panel">
                     {% if form.non_field_errors %}
                         <div class="mt-3">{% include "bootstrap5/errors.html" %}</div>
-                    {% elif documents %}
+                    {% elif documents != None %}
                         {% include "search/_search_results.html" %}
                     {% elif info_template %}
                         {% include "search/_search_info.html" %}