Bug fix error.

templates/ultron/dashboard/dashboard.html

@@ -11,10 +11,9 @@
                 <h4 class=""><i class="icon-primary fal fa-laugh-wink"></i> Hi {{ user.username }} !</h4>
             </div>
             <div class="card-body">
-                Welcome to Ultron v0.44 <span class="text-muted">(last update : 14-1-2022)</span><br />
+                Welcome to Ultron v0.45 <span class="text-muted">(last update : 18-1-2022)</span><br />
                 This application is there to help us manage the gymnasts (evolution, evaluation, routine, scores, ...). It is not perfect so feel free to make improvement proposals, bug reports, … by sending me an <a href="mailto:gregory@flyingacrobaticstrampoline.be">email</a>.<br/>
                 <br/>
-                <span class="text-danger"><b>Gelukkig nieuwjaar 2022 en mijn beste wensen!</b></span>
             </div>
         </div>
     </div>

ultron/people/views.py

@@ -75,7 +75,12 @@ def gymnast_details(request, gymnast_id, tab=None):
     nb_known_skill = (
         LearnedSkill.objects.filter(gymnast=gymnast_id).distinct("skill").count()
     )
-    percentage_known_skill = (nb_known_skill / nb_skill) * 100
+
+    if nb_skill != 0:
+        percentage_known_skill = (nb_known_skill / nb_skill) * 100
+    else:
+        percentage_known_skill = 0
+
     chronos_list = Chrono.objects.filter(gymnast=gymnast_id).order_by("-date")[:10]
     straightjump_score = (
         Chrono.objects.filter(gymnast=gymnast_id)