class_docstr: A class to load, modify, and display the StreamAlertCLI Config
code: def __setitem__(self, key, new_value):
      self.config.__setitem__(key, new_value)
      self.write()
  
imports: import json
  import os
  import re
  import shutil
  import string
  import tempfile
  from streamalert.apps import StreamAlertApp
  from streamalert.shared import CLUSTERED_FUNCTIONS, config, metrics
  from streamalert.shared.logger import get_logger
  from streamalert_cli.terraform import TERRAFORM_FILES_PATH
  from streamalert_cli.apps.helpers import save_app_auth_info
  from streamalert_cli.helpers import continue_prompt
label_desc: Use image node_id 4 for calling the CLIConfig obj's underlying member method code with example usage: obj.__setitem__(key, new_value) without return types