docstr: Returns a context that uploads files to default storage path on exit.
code: def upload_path(self) -> ContextManager[pathlib.Path]:
      """
      Returns a context that uploads files to default storage path on exit.
      """
      self._use_default_storage = True
      return self._core_context.checkpoint._storage_manager.store_path(
          self._storage_path
      )
  
imports: import abc
  import json
  import logging
  import math
  import os
  import pathlib
  import uuid
  import warnings
  from typing import TYPE_CHECKING, Any, ContextManager, Dict, Optional, Set, Sized, Type
  import torch
  import torch.distributed
  from torch import nn
  from torch.utils import data
  import determined
  from determined import common, core, pytorch
label_desc: Use image node_id 6 for calling the TorchBatchProcessorContext obj's underlying member method code with example usage: obj.upload_path() and returns: self