code: def get_db_entry_point():
      """
      Return databricks entry_point instance, it is for calling some
      internal API in databricks runtime
      """
      from dbruntime import UserNamespaceInitializer
  
      user_namespace_initializer = (
          UserNamespaceInitializer.getOrCreate()
      )
      return user_namespace_initializer.get_spark_entry_point()
  
file_path: ray/python/ray/util/spark/databricks_hook.py
imports: import os
  from .start_hook_base import RayOnSparkStartHook
  from .utils import get_spark_session
  import logging
  import threading
  import time
label_desc: Use image node_id 2 for calling a global function with example usage: get_db_entry_point() and returns: user_namespace_initializer