Clear aggregator accounts before fetching

core/management/commands/scheduling.py

@@ -21,6 +21,8 @@ async def aggregator_job():
         if aggregator.service == "nordigen":
             instance = await NordigenClient(aggregator)
             if aggregator.fetch_accounts is True:
+                aggregator.account_info = {}
+                aggregator.save()
                 await instance.get_all_account_info(store=True)
 
             fetch_tasks = []