fix for new worker calc

dags/dag1_calculate_hpc_worker.py

@@ -34,7 +34,7 @@ def get_new_workers(**kwargs):
     if 'ti' not in kwargs:
       raise ValueError('ti not present in kwargs')
     ti = kwargs.get('ti')
-    active_tasks = ti.xcom_pull(task_ids='qstat_on_remote')
+    active_tasks = ti.xcom_pull(task_ids='fetch_active_jobs_from_hpc')
     active_tasks = active_tasks.decode()
     active_tasks = json.loads(active_tasks)
     queued_tasks = ti.xcom_pull(task_ids='fetch_queue_list_from_redis')