def __init__(self, bar_thickness=None,
               bar_gap=_DEFAULT_BAR_GAP, group_gap=_DEFAULT_GROUP_GAP,
               use_fractional_gap_spacing=False):
    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.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/graphy/graphy/bar_chart.py/BarChartStyle.__init__