class_docstr: This is a mixin class to support scalar -> RGBA mapping.  Handles
  normalization and colormapping
docstr: set the colorbar image and axes associated with mappable
docstr_tok: ["set","the","colorbar","image","and","axes","associated","with","mappable"]
code: def set_colorbar(self, im, ax):
      "set the colorbar image and axes associated with mappable"
      self.colorbar = im, ax
  
imports: import numpy
  from numpy import ma
  import matplotlib
  import matplotlib.colors
  import matplotlib.cbook
  from matplotlib._cm import *
label_desc: Use image node_id 2 for calling the ScalarMappable obj's underlying member method code with example usage: obj.set_colorbar(im, ax) without return types