code: def get_extents(
      self, element, ranges, range_type="combined", **kwargs
  ):
      return super().get_extents(element.nodes, ranges, range_type)
  
imports: import numpy
  from ..core import Dataset, Dimension, util
  from ..element import Bars, Graph
  from ..element.util import categorical_aggregate2d
  from .util import get_axis_padding
label_desc: Use image node_id 2 for calling the GraphMixin obj's underlying member method code with example usage: obj.get_extents(element, ranges, range_type) and returns: super