old_contents: """Default settings for plots."""
  
  ###################################################################################################
  ###################################################################################################
  
  ## Define collections of style arguments
  # Plot style arguments are those that can be defined on an axis object
  AXIS_STYLE_ARGS = ['title', 'xlabel', 'ylabel', 'xlim', 'ylim']
  # Line style arguments are those that can be defined on a line object
  LINE_STYLE_ARGS = ['alpha', 'lw', 'linewidth', 'ls', 'linestyle']
  # Custom style arguments are those that are custom-handled by the plot style function
  CUSTOM_STYLE_ARGS = ['title_fontsize', 'label_size', 'tick_labelsize',
                       'legend_size', 'legend_loc']
  STYLERS = ['axis_styler', 'line_styler', 'custom_styler']
  STYLE_ARGS = AXIS_STYLE_ARGS + LINE_STYLE_ARGS + CUSTOM_STYLE_ARGS + STYLERS
  
  ## Define default values for aesthetic
  # These are all custom style arguments
  TITLE_FONTSIZE = 20
  LABEL_SIZE = 16
  TICK_LABELSIZE = 16
  LEGEND_SIZE = 12
  LEGEND_LOC = 'best'
  
new_contents: """Default settings for plots."""
  
  ###################################################################################################
  ###################################################################################################
  
  ## Define collections of style arguments
  # Plot style arguments are those that can be defined on an axis object
  AXIS_STYLE_ARGS = ['title', 'xlabel', 'ylabel', 'xlim', 'ylim']
  # Line style arguments are those that can be defined on a line object
  LINE_STYLE_ARGS = ['alpha', 'lw', 'linewidth', 'ls', 'linestyle',
                     'marker', 'ms', 'markersize']
  # Custom style arguments are those that are custom-handled by the plot style function
  CUSTOM_STYLE_ARGS = ['title_fontsize', 'label_size', 'tick_labelsize',
                       'legend_size', 'legend_loc']
  STYLERS = ['axis_styler', 'line_styler', 'custom_styler']
  STYLE_ARGS = AXIS_STYLE_ARGS + LINE_STYLE_ARGS + CUSTOM_STYLE_ARGS + STYLERS
  
  ## Define default values for aesthetic
  # These are all custom style arguments
  TITLE_FONTSIZE = 20
  LABEL_SIZE = 16
  TICK_LABELSIZE = 16
  LEGEND_SIZE = 12
  LEGEND_LOC = 'best'
  
subject: add line style args to catch