update admin action 'make fetmeeting'

fet2020/posts/admin.py

@@ -15,31 +15,24 @@ admin.site.unregister(taggit.models.Tag)
 def make_fetmeeting(self, request, queryset):
     qs = self.get_queryset(request).filter(id=request.POST["_selected_action"]).first()
 
-    failed = False
-    agenda_key = None
-    protocol_key = None
-
-    try:
     agenda_key = createPadifNotExists(qs.slug + "-agenda")
-    except Exception as e:
+    if not agenda_key:
         self.message_user(
             request,
             _("Das Agenda konnte nicht erstellt werden. Error: %s") % str(e),
             messages.ERROR,
         )
-        failed = True
+        return
 
-    try:
     protocol_key = createPadifNotExists(qs.slug + "-protocol")
-    except Exception as e:
+    if not protocol_key:
         self.message_user(
             request,
             _("Das Protokoll konnte nicht erstellt werden. Error: %s") % str(e),
             messages.ERROR,
         )
-        failed = True
+        return
 
-    if not failed:
     queryset.update(
         post_type="F",
         has_agenda=True,