fix uuid in message data

src/c3nav/mesh/forms.py

@@ -80,6 +80,8 @@ class MeshMessageForm(forms.Form):
     def get_cleaned_msg_data(self):
         msg_data = self.cleaned_data.copy()
         msg_data.pop('recipients', None)
+        if "uuid" in msg_data:
+            msg_data["uuid"] = str(msg_data["uuid"])
         return msg_data
 
     def get_msg_data(self):

src/c3nav/mesh/views/messages.py

@@ -103,7 +103,7 @@ class MeshMessageSendView(MeshControlMixin, FormView):
         if 'noscript' in self.request.POST:
             form.send()
             messages.success(self.request, _('Message sent successfully(?)'))
-            super().form_valid(form)
+            return super().form_valid(form)
         uuid = uuid4()
         self.request.session["mesh_msg_%s" % uuid] = {
             "success_url": self.get_success_url(),