code: def __call__(self, engine):
      assert engine.state.epoch == self.current_epoch_count
      self.current_epoch_count += 1
  
file_path: ignite/tests/ignite/engine/__init__.py
imports: import torch
label_desc: Use image node_id 2 for calling the EpochCounter obj's underlying member method code with example usage: obj.__call__(engine) without return types