now it works to add the hastag fachschaft

fet2020/posts/forms.py

@@ -217,7 +217,7 @@ class EventUpdateForm(forms.ModelForm):
 class FetMeetingCreateForm(forms.ModelForm):
     class Meta:
         model = FetMeeting
-        fields = ["event_start", "event_end", "event_place", "tags"]
+        fields = ["event_start", "event_end", "event_place"]
 
         labels = {
             "event_start": "Start der Sitzung",
@@ -233,11 +233,6 @@ class FetMeetingCreateForm(forms.ModelForm):
 
         self.fields["event_place"].initial = "FET"
 
-        tags = []
-        tags.append(Tag())
-        tags[0].name = "fachschaft"
-        self.fields["tags"].initial = tags
-
 
 class FetMeetingUpdateForm(forms.ModelForm):
     class Meta:

fet2020/posts/views.py

@@ -250,6 +250,10 @@ class FetMeetingCreateView(LoginRequiredMixin, CreateView):
     def form_valid(self, form):
         form.instance.author = self.request.user
         add_log_action(self.request, form, "posts", "fetmeeting", True)
+
+        obj = form.save(commit=False)
+        obj.tags.set(["fachschaft"])
+        obj.save()
         return super().form_valid(form)
 
     def get_form_kwargs(self):