docs: def get_args_setting(args, jsonpath='scenario_setting.json'):
      """
      Get and open json file with scenaio settings of eTraGo ``args``.
      The settings incluedes all eTraGo specific settings of arguments and 
      parameters for a reproducible calculation.
  
      Parameters
      ----------
      json_file : str
          Default: ``scenario_setting.json``
          Name of scenario setting json file
  
      Returns
      -------
      args : dict
          Dictionary of json file 
      """
   
      if not jsonpath == None:
          with open(jsonpath) as f:
              args = json.load(f)
  
  
      return args