class_docstr: Base class for Jupyter applications
code: def _config_file_name_default(self):
      if not self.name:
          return ""
      return self.name.replace("-", "_") + "_config"
  
imports: from __future__ import print_function
  from copy import deepcopy
  import logging
  import os
  import sys
  from traitlets.config.application import Application, catch_config_error
  from traitlets.config.loader import ConfigFileNotFound
  from traitlets import Unicode, Bool, List, observe
  from .utils import ensure_dir_exists
  from ipython_genutils import py3compat
  from .paths import jupyter_config_dir, jupyter_data_dir, jupyter_runtime_dir, jupyter_path, jupyter_config_path, allow_insecure_writes, issue_insecure_write_warning
label_desc: Use image node_id 8 for calling the JupyterApp obj's underlying member method code with example usage: obj._config_file_name_default() and returns: unknown, str