code: def resolve_path(self):
      # resolve path
      _mount_path = self["mount_path"]
      _provider_uri = self.DataPathManager.format_provider_uri(
          self["provider_uri"]
      )
      if not isinstance(_mount_path, dict):
          _mount_path = {
              _freq: _mount_path for _freq in _provider_uri.keys()
          }
  
      # check provider_uri and mount_path
      _miss_freq = set(_provider_uri.keys()) - set(_mount_path.keys())
      assert (
          len(_miss_freq) == 0
      ), f"mount_path is missing freq: {_miss_freq}"
  
      # resolve
      for _freq in _provider_uri.keys():
          # mount_path
          _mount_path[_freq] = (
              _mount_path[_freq]
              if _mount_path[_freq] is None
              else str(Path(_mount_path[_freq]).expanduser())
          )
      self["provider_uri"] = _provider_uri
      self["mount_path"] = _mount_path
  
imports: from __future__ import annotations
  import os
  import re
  import copy
  import logging
  import platform
  import multiprocessing
  from pathlib import Path
  from typing import Callable, Optional, Union
  from typing import TYPE_CHECKING
  from qlib.constant import REG_CN, REG_US, REG_TW
label_desc: Use image node_id 6 for calling the QlibConfig obj's underlying member method code with example usage: obj.resolve_path() without return types