class_docstr: This is a mixin class to support scalar -> RGBA mapping.  Handles
  normalization and colormapping
docstr: return the min, max of the color limits for image scaling
docstr_tok: ["return","the","min",",","max","of","the","color","limits","for","image","scaling"]
code: def get_clim(self):
      "return the min, max of the color limits for image scaling"
      return self.norm.vmin, self.norm.vmax
  
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 7 for calling the ScalarMappable obj's underlying member method code with example usage: obj.get_clim() and returns: self,  self