docstr: get list of tuples of (lower, upper) bounds
docstr_tok: ["get","list","of","tuples","of","(","lower",",","upper",")","bounds"]
code: def __call__(self):
      "get list of tuples of (lower, upper) bounds"
      return list(zip(self.lower, self.upper))
  
imports: from mystic.tools import flatten
label_desc: Use image node_id 5 for calling the Bounds obj's underlying member method code with example usage: obj.__call__() and returns: list