code: def test_state_dict():
      scores = iter([1.0, 0.8, 0.88])
  
      def score_function(engine):
          return next(scores)
  
      trainer = Engine(do_nothing_update_fn)
  
      h = EarlyStopping(
          patience=2, score_function=score_function, trainer=trainer
      )
      # Call 3 times and check if stopped
      assert not trainer.should_terminate
      h(None)
      assert not trainer.should_terminate
  
      # Swap to new object, but maintain state
      h2 = EarlyStopping(
          patience=2, score_function=score_function, trainer=trainer
      )
      h2.load_state_dict(h.state_dict())
  
      h2(None)
      assert not trainer.should_terminate
      h2(None)
      assert trainer.should_terminate
  
imports: import os
  import pytest
  import torch
  import ignite.distributed
  from ignite.engine import Engine, Events
  from ignite.handlers import EarlyStopping
label_desc: Use image node_id 4 for calling a global function with example usage: test_state_dict() and returns: next