code: def convert_sklearn_kmeans_model(operator, device, extra_config):
      assert operator is not None, "Cannot convert None operator"
  
      centroids = operator.raw_operator.cluster_centers_
      return KMeans(operator, centroids, device)
  
file_path: hummingbird/hummingbird/ml/operator_converters/sklearn/cluster.py
imports: import torch
  from .._physical_operator import PhysicalOperator
  from onnxconverter_common.registration import register_converter
label_desc: Use image node_id 1 for calling a global function with example usage: convert_sklearn_kmeans_model(operator, device, extra_config) and returns: KMeans