code: def fix_config(self, options):
          
          options = super(DumpFile, self).fix_config(options)
  
          opt = "append"
          if opt not in options:
              options[opt] = False
          if opt not in self.help:
              self.help[opt] = "Whether to append to the file or overwrite (bool)."
  
          return options
docs: Fixes the options, if necessary. I.e., it adds all required elements to the dictionary.
  
          :param options: the options to fix
          :type options: dict
          :return: the (potentially) fixed options
          :rtype: dict