diff --git a/jm2l/views.py b/jm2l/views.py
index c70b8be..154f6e4 100644
--- a/jm2l/views.py
+++ b/jm2l/views.py
@@ -1716,21 +1716,21 @@ def edit_event(request):
         ]
         salle_dispo = salle_dispo.filter(Salles.place_type == 'Stand')
     elif intervention == "Atelier":
-        form.duration.choices = map(lambda d: (d, u'Atelier (%dh%.2d)' % (d / 60, d % 60)),
-                                    [60, 90, 120, 150, 180, 210, 240])
-        if not duration in map(lambda d, y: d, form.duration.choices):
+        form.duration.choices = list(map(lambda d: (d, u'Atelier (%dh%.2d)' % (d / 60, d % 60)),
+                                    [60, 90, 120, 150, 180, 210, 240]))
+        if not duration in map(lambda d: d[0], form.duration.choices):
             form.duration.choices.append((duration, u'Atelier (%dh%.2d)' % (duration / 60, duration % 60)))
         salle_dispo = salle_dispo.filter(Salles.place_type.in_(['Atelier', 'MAO']))
     elif intervention == "Table_ronde":
-        form.duration.choices = map(lambda d: (d, u'Table ronde (%dh%.2d)' % (d / 60, d % 60)),
-                                    [60, 90, 120, 150])
-        if not duration in map(lambda d, y: d, form.duration.choices):
+        form.duration.choices = list(map(lambda d: (d, u'Table ronde (%dh%.2d)' % (d / 60, d % 60)),
+                                    [60, 90, 120, 150]))
+        if not duration in map(lambda d: d[0], form.duration.choices):
             form.duration.choices.append((duration, u'Table ronde (%dh%.2d)' % (duration / 60, duration % 60)))
         salle_dispo = salle_dispo.filter(Salles.place_type == 'Table ronde')
     elif intervention == "Concert":
-        form.duration.choices = map(lambda d: (d, u'Concert (%dh%.2d)' % (d / 60, d % 60)),
-                                    [60, 90, 120, 150, 180, 210, 240])
-        if not duration in map(lambda d, y: d, form.duration.choices):
+        form.duration.choices = list(map(lambda d: (d, u'Concert (%dh%.2d)' % (d / 60, d % 60)),
+                                    [60, 90, 120, 150, 180, 210, 240]))
+        if not duration in map(lambda d: d[0], form.duration.choices):
             form.duration.choices.append((duration, u'Concert (%dh%.2d)' % (duration / 60, duration % 60)))
         salle_dispo = salle_dispo.filter(Salles.place_type.in_(['Stand', 'MAO']))
     else: