code: def init_model(self) -> None:
      self.trainer_model = self._model_class.from_pretrained(
          **self.model_kwargs
      ).to(self.device)
  
file_path: argilla/src/argilla/training/span_marker.py
imports: import logging
  from typing import List, Union
  from datasets import DatasetDict
  from argilla.client.models import TokenClassificationRecord
  from argilla.training.base import ArgillaTrainerSkeleton
  from argilla.training.utils import filter_allowed_args, get_default_args
  from argilla.utils.dependency import require_dependencies
label_desc: Use image node_id 3 for calling the ArgillaSpanMarkerTrainer obj's underlying member method code with example usage: obj.init_model() without return types