docstr: Load is not supported in MXNetEstimator
docstr_tok: ["Load","is","not","supported","in","MXNetEstimator"]
code: def load(self, checkpoint):
      """
      Load is not supported in MXNetEstimator
      """
      raise NotImplementedError
  
imports: import os
  import types
  import itertools
  import subprocess
  import ray
  from dmlc_tracker.tracker import get_host_ip
  from zoo.orca.data.utils import ray_partitions_get_data_label, process_spark_xshards
  from zoo.ray import RayContext
  from zoo.orca.learn.mxnet.mxnet_runner import MXNetRunner
  from zoo.orca.learn.mxnet.utils import find_free_port
  from zoo.orca.learn.ray_estimator import Estimator
label_desc: Use image node_id 8 for calling the MXNetEstimator obj's underlying member method code with example usage: obj.load(checkpoint) without return types