Add view to send PDF letter to EDE expert

stages/admin.py

@@ -148,7 +148,9 @@ class StudentAdmin(admin.ModelAdmin):
     def examination_actions(self, obj):
         if obj.klass.section.name == 'EDE' and obj.klass.level.name == "3":
             return format_html(
+                '<a class="button" href="{}">Courrier pour l’expert</a>&nbsp;'
                 '<a class="button" href="{}">Mail convocation soutenance</a>',
+                reverse('print-pdf-to-expert-ede', args=[obj.pk]),
                 reverse('student-ede-convocation', args=[obj.pk])
             )
         else: