upd: Применение скидки в выводе API

bg_tasks/bg_task.py

@@ -22,12 +22,7 @@ celery_app.conf.beat_schedule = {
 }
 
 
-celery_task_app = Celery(
-    'tasks', broker='amqp://guest:guest@localhost', backend='rpc://'
-)
-
-
-@celery_task_app.task
+@celery_app.task
 def periodic_task() -> None:
     result = loop.run_until_complete(main())
     return result

bg_tasks/updater.py

@@ -26,7 +26,7 @@ async def refresh_cache(disconts: dict):
     await redis.flushall()
 
     for key in disconts.keys():
-        await redis.set(f'DISCONT:{str(key)}', disconts[key])
+        await redis.set(f'DISCONT:{str(key)}', pickle.dumps(disconts[key]))
 
     await redis.set('XLSX_MOD_TIME', pickle.dumps(os.path.getmtime(file)))