def __init__(self, node, ctx, parent, sibling_id, ctx_filter, category_filter):
        self.node = node
        self.ctx = ctx
        self.parent = parent
        self.ctx_filter = ctx_filter
        self.category_filter = category_filter
        self.id = (parent.id if parent else []) + [sibling_id]
Transform series' values into a more human readable form:
dataset/ETHPy150Open manahl/mdf/mdf/viewer/frame.py/TreeNode.__init__--crossover with--dataset/ETHPy150Open CiscoSystems/avos/openstack_dashboard/dashboards/admin/metering/views.py/SamplesView.normalize_series_by_unit