code: def draw(self, gdefs, theme):
          
          for g in gdefs:
              g.theme = theme
              g._set_defaults()
          return [g.draw() for g in gdefs]
docs: Draw out each guide definition
  
          Parameters
          ----------
          gdefs : list of guide_legend|guide_colorbar
              guide definitions
          theme : theme
              Plot theme
  
          Returns
          -------
          out : list of matplotlib.offsetbox.Offsetbox
              A drawing of each legend