code: def test_bars_padding_nonsquare(self):
      bars = Bars([(1, 2), (2, 1), (3, 3)]).opts(padding=0.1, width=600)
      plot = bokeh_renderer.get_plot(bars)
      y_range = plot.handles["y_range"]
      self.assertEqual(y_range.start, 0)
      self.assertEqual(y_range.end, 3.2)
  
imports: import numpy
  from bokeh.models import CategoricalColorMapper, LinearAxis, LinearColorMapper
  from holoviews.core.overlay import NdOverlay, Overlay
  from holoviews.element import Bars
  from holoviews.plotting.bokeh.util import property_to_dict
  from ..utils import ParamLogStream
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 16 for calling the TestBarPlot obj's underlying member method code with example usage: obj.test_bars_padding_nonsquare() without return types