begin query on prince

app/routes.py

@@ -34,7 +34,8 @@ def actes(house):
     """actes route"""
     prince_q = [t.name_indiv for t in Individual.select().where(
                     Individual.role_indiv == 'prince')]
-    house_q = [t.id_duke for t in Duke.select().where(Duke.indiv_duke == prince_q[0])]
+    house_q = [t.id_duke for t in Duke.select().where(
+                    Duke.indiv_duke == prince_q[0])]
     return render_template("corpus.html", house=house, princes=prince_q)
 
 @main.route("/actes/<house>/<prince>")  # dont put a slash at the end

app/templates/corpus.html

@@ -5,6 +5,7 @@
         <h2>Les princes et princesses dont les actes sont disponibles :</h2>
         <ul>
             {% for prince in princes %}
+                {{% if prince. %}}
             <li>{{prince}}</li>
             {% endfor %}
         </ul>