def make_tree(self, roots):
        num = len(roots)-1
        tree = ''
        for i, x in enumerate(roots):
            for line in self.do_level(x, 0, [i==num]):
                tree += line
        return tree
dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/tools/ipymel.py/TreePager.make_tree/original