old_contents: from better_zoom import BetterZoom
  from better_selecting_zoom import BetterSelectingZoom
  from broadcaster import BroadcasterTool
  from dataprinter import DataPrinter
  from data_label_tool import DataLabelTool
  from drag_zoom import DragZoom
  from enthought.enable.tools.drag_tool import DragTool
  from draw_points_tool import DrawPointsTool
  from highlight_tool import HighlightTool
  from image_inspector_tool import ImageInspectorTool, ImageInspectorOverlay
  from lasso_selection import LassoSelection
  from legend_tool import LegendTool
  from legend_highlighter import LegendHighlighter
  from line_inspector import LineInspector
  from line_segment_tool import LineSegmentTool
  from move_tool import MoveTool
  from pan_tool import PanTool
  from point_marker import PointMarker
  from range_selection import RangeSelection
  from range_selection_2d import RangeSelection2D
  from range_selection_overlay import RangeSelectionOverlay
  from regression_lasso import RegressionLasso, RegressionOverlay
  from save_tool import SaveTool
  from scatter_inspector import ScatterInspector
  from select_tool import SelectTool
  from simple_inspector import SimpleInspectorTool
  from tracking_pan_tool import TrackingPanTool
  from tracking_zoom import TrackingZoom
  from traits_tool import TraitsTool
  from zoom_tool import ZoomTool
  # EOF
  
new_contents: from better_zoom import BetterZoom
  from better_selecting_zoom import BetterSelectingZoom
  from broadcaster import BroadcasterTool
  from dataprinter import DataPrinter
  from data_label_tool import DataLabelTool
  from enthought.enable.tools.drag_tool import DragTool
  from draw_points_tool import DrawPointsTool
  from highlight_tool import HighlightTool
  from image_inspector_tool import ImageInspectorTool, ImageInspectorOverlay
  from lasso_selection import LassoSelection
  from legend_tool import LegendTool
  from legend_highlighter import LegendHighlighter
  from line_inspector import LineInspector
  from line_segment_tool import LineSegmentTool
  from move_tool import MoveTool
  from pan_tool import PanTool
  from point_marker import PointMarker
  from range_selection import RangeSelection
  from range_selection_2d import RangeSelection2D
  from range_selection_overlay import RangeSelectionOverlay
  from regression_lasso import RegressionLasso, RegressionOverlay
  from save_tool import SaveTool
  from scatter_inspector import ScatterInspector
  from select_tool import SelectTool
  from simple_inspector import SimpleInspectorTool
  from tracking_pan_tool import TrackingPanTool
  from tracking_zoom import TrackingZoom
  from traits_tool import TraitsTool
  from zoom_tool import ZoomTool
  # EOF
  
subject: Remove deprecated DragZoom from Chaco tools API to eliminate irrelevant BaseZoomTool deprecation warning. DragZoom is still used in 4 Chaco examples