class_docstr: Computes minimum label position.
code: def create_accumulator(self):
      return _State(min_pos_sum=0.0, weight_sum=0.0)
  
file_path: model-analysis/tensorflow_model_analysis/evaluators/query_metrics/min_label_position.py
imports: from typing import Any, Dict, Iterable, NamedTuple
  import apache_beam
  from tensorflow_model_analysis.eval_saved_model import constants
  from tensorflow_model_analysis.eval_saved_model import util
  from tensorflow_model_analysis.evaluators.query_metrics import query_types
  from tensorflow_model_analysis.post_export_metrics import metric_keys
label_desc: Use image node_id 3 for calling the MinLabelPositionCombineFn obj's underlying member method code with example usage: obj.create_accumulator() and returns: _State