code: def get_config():
      global LOADED_CONFIG
  
      if LOADED_CONFIG:
          return LOADED_CONFIG
      ini_path = os.path.expandvars(
          os.environ.get("DTALE_CONFIG") or "$HOME/.config/dtale.ini"
      )
      if os.path.isfile(ini_path):
          return load_config_state(ini_path)
      return None
  
file_path: dtale/dtale/config.py
imports: import json
  import os
  from six import string_types
  from six.moves.configparser import ConfigParser
  import dtale.global_state
  from dtale.utils import dict_merge
label_desc: Use image node_id 2 for calling a global function with example usage: get_config() and returns: None, LOADED_CONFIG, load_config_state