code: def _set_ranking(self, wins: dict[str, int]) -> None:
      sorted_wins = [
          k for k, _ in sorted(wins.items(), key=lambda x: x[1])
      ]
      self._ranking = sorted_wins[::-1]
  
imports: from __future__ import annotations
  import abc
  from collections import defaultdict
  from dataclasses import dataclass
  import itertools
  import os
  from typing import Dict
  from typing import Generator
  from typing import List
  from typing import Tuple
  from jinja2 import Environment
  from jinja2 import FileSystemLoader
  import numpy
  import pandas
  from scipy.special import binom
  from scipy.stats import mannwhitneyu
label_desc: Use image node_id 6 for calling the DewanckerRanker obj's underlying member method code with example usage: obj._set_ranking(wins) without return types