code: def test_box_whisker_padding_square(self):
      curve = BoxWhisker([1, 2, 3]).opts(padding=0.1)
      plot = bokeh_renderer.get_plot(curve)
      y_range = plot.handles["y_range"]
      self.assertEqual(y_range.start, 0.8)
      self.assertEqual(y_range.end, 3.2)
  
file_path: holoviews/holoviews/tests/plotting/bokeh/test_boxwhiskerplot.py
imports: import datetime
  import numpy
  from bokeh.models import CategoricalColorMapper, ColumnDataSource, LinearColorMapper
  from holoviews.element import BoxWhisker
  from holoviews.plotting.bokeh.util import property_to_dict
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 4 for calling the TestBoxWhiskerPlot obj's underlying member method code with example usage: obj.test_box_whisker_padding_square() without return types