code: def load_stdgraphs(size: int) -> List[nx.Graph]:
      
      from pkg_resources import resource_stream
  
      if size < 6 or size > 32:
          raise ValueError('Size out of range.')
  
      filename = 'datasets/data/graph{}er100.g6'.format(size)
      fdata = resource_stream('quantumflow', filename)
      return nx.read_graph6(fdata)
docs: Load standard graph validation sets
  
      For each size (from 6 to 32 graph nodes) the dataset consists of
      100 graphs drawn from the Erdős-Rényi ensemble with edge
      probability 50%.