code: def convert_sklearn_missing_indicator(operator, device, extra_config):
      """
      Converter for `sklearn.impute.MissingIndicator`
      Args:
          operator: An operator wrapping a `sklearn.impute.MissingIndicator` model
          device: String defining the type of device the converted operator should be run on
          extra_config: Extra configuration used to select the best conversion strategy
      Returns:
          A PyTorch model
      """
      assert operator is not None, "Cannot convert None operator"
  
      return MissingIndicator(operator, device)
  
imports: from .._physical_operator import PhysicalOperator
  import numpy
  from onnxconverter_common.registration import register_converter
  import torch
  from .._imputer_implementations import SimpleImputer, MissingIndicator
label_desc: Use image node_id 2 for calling a global function with example usage: convert_sklearn_missing_indicator(operator, device, extra_config) and returns: MissingIndicator