code: def dummy_task():
      return None
  
imports: import sys
  import time
  import threading
  from typing import Optional, Callable
  from concurrent.futures import ProcessPoolExecutor, Future
  from pandas import DataFrame
  from mindsdb.utilities.config import Config
  from mindsdb.utilities.context import context
  from mindsdb.utilities.ml_task_queue.const import ML_TASK_TYPE
  from mindsdb.integrations.libs.learn_process import learn_process, predict_process
label_desc: Use image node_id 2 for calling a global function with example usage: dummy_task() and returns: None