fix registration issues

tournaments/templates/tournaments/tournament_info.html

@@ -49,7 +49,11 @@
 
                 <p>
                     <div class="semibold">Statut</div>
+                    {% if tournament.registration_count_display %}
                     <div>{{ tournament.registration_count_display }}</div>
+                    {% else %}
+                    <div>Aucune équipe inscrite</div>
+                    {% endif %}
                 </p>
                 {% endif %}