code: def __init__(self, evadb: EvaDBDatabase) -> None:
      self.poll_interval_seconds = 30
      self._evadb = evadb
  
file_path: evadb/evadb/utils/job_scheduler.py
imports: import datetime
  import sys
  import time
  from evadb.catalog.models.utils import JobCatalogEntry
  from evadb.database import EvaDBDatabase
  from evadb.server.command_handler import execute_query
  from evadb.utils.logging_manager import logger
label_desc: Use image node_id 1 to create a new JobScheduler object  with example: obj = JobScheduler(evadb)