code: def __init__(self, **xgboost_params):
      self.eval_metric = xgboost_params.pop("eval_metric", None)
      self.scoring_metric = xgboost_params.pop("scoring_metric", None)
      self.xgboost_lock = threading.RLock()
      self.missing = None
      super(Base, self).__init__(**xgboost_params)
  
imports: from __future__ import absolute_import
  import inspect
  import logging
  import warnings
  import threading
  import lore.env
  import lore.estimators
  from lore.util import timed, before_after_callbacks
  import xgboost
label_desc: Use image node_id 1 to create a new Base object from inherited base classes: object with example: obj = Base()