code: def handle_config(args):
      
      session_file = get_db_name(args['<session-file>'])
      with use_db(session_file) as database:
          config = database.get_config()
          print(serialize_config(config))
  
      return ExitCode.OK
docs: usage: cosmic-ray config <session-file>
  
      Show the configuration for in a session.