code: def fix_config(self, options):
          
          options = super(LinePlot, self).fix_config(options)
  
          opt = "attributes"
          if opt not in options:
              options[opt] = None
          if opt not in self.help:
              self.help[opt] = "The list of 0-based attribute indices to print; None for all (int)."
  
          opt = "percent"
          if opt not in options:
              options[opt] = 100.0
          if opt not in self.help:
              self.help[opt] = "The percentage of the data to display (0-100, float)."
  
          opt = "seed"
          if opt not in options:
              options[opt] = 1
          if opt not in self.help:
              self.help[opt] = "The seed value for randomizing the plot when viewing a subset (int)."
  
          opt = "title"
          if opt not in options:
              options[opt] = None
          if opt not in self.help:
              self.help[opt] = "The title for the plot (str)."
  
          opt = "outfile"
          if opt not in options:
              options[opt] = None
          if opt not in self.help:
              self.help[opt] = "The file to store the plot in (str)."
  
          opt = "wait"
          if opt not in options:
              options[opt] = True
          if opt not in self.help:
              self.help[opt] = "Whether to wait for user to close the plot window (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