class_docstr: TorchServe 1.0 Model Loader
code: def _load_default_handler(self, handler):
      module_name = ".{0}".format(handler)
      module = importlib.import_module(module_name, "ts.torch_handler")
      return module
  
imports: import importlib
  import json
  import logging
  import os
  import uuid
  from abc import ABCMeta, abstractmethod
  from builtins import str
  from typing import Optional
  from ts.metrics.metric_cache_yaml_impl import MetricsCacheYamlImpl
  from ts.service import Service
  from .utils.util import list_classes_from_module
label_desc: Use image node_id 3 for calling the TsModelLoader obj's underlying member method code with example usage: obj._load_default_handler(handler) and returns: module