docstr: get length of list of tuples of (lower, upper) bounds
docstr_tok: ["get","length","of","list","of","tuples","of","(","lower",",","upper",")","bounds"]
code: def __len__(self):
      "get length of list of tuples of (lower, upper) bounds"
      return 2 * super(MeasureBounds, self).__len__()
  
imports: from mystic.tools import flatten
label_desc: Use image node_id 2 for calling the MeasureBounds obj's underlying member method code with example usage: obj.__len__() and returns: unknown