def __init__(self, bar_thickness=None,
               bar_gap=_DEFAULT_BAR_GAP, group_gap=_DEFAULT_GROUP_GAP,
               use_fractional_gap_spacing=False):
    """Create a new BarChartStyle.

    Args:
     bar_thickness: The thickness of a bar, in pixels. Set this to None if
       you want the bar thickness to be auto-calculated (this is the default
       behaviour).
     bar_gap: The gap between bars, in pixels. Default is 4.
     group_gap: The gap between groups of bars, in pixels. Default is 8.
    """
    self.bar_thickness = bar_thickness
    self.bar_gap = bar_gap
    self.group_gap = group_gap
    self.use_fractional_gap_spacing = use_fractional_gap_spacing
Create a new BarChartStyle.

    Args:
     bar_thickness: The thickness of a bar, in pixels. Set this to None if
       you want the bar thickness to be auto-calculated (this is the default
       behaviour).
     bar_gap: The gap between bars, in pixels. Default is 4.
     group_gap: The gap between groups of bars, in pixels. Default is 8.
    
mapreduce/lib/graphy/bar_chart.py