fixes, orval, downloader functioning again

backend/social/hubs/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 5.2.7 on 2026-04-19 21:51
+# Generated by Django 5.2.7 on 2026-04-20 17:54
 
 import django.db.models.deletion
 import vontor_cz.custom_fields

backend/social/hubs/models.py

@@ -1,4 +1,3 @@
-from turtle import color
 import uuid
 from django.db import models
 from django.conf import settings