code: def __init__(self, parser, corpus):
      self.parser = parser
      self.corpus = corpus
  
file_path: underthesea/underthesea/trainers/dependency_parser_trainer.py
imports: import os
  from datetime import timedelta, datetime
  from pathlib import Path
  from typing import Union
  import torch.distributed
  import torch.nn
  from torch.optim import Adam
  from torch.optim.lr_scheduler import ExponentialLR
  from underthesea.transforms.conll import CoNLL, progress_bar
  from underthesea.models.dependency_parser import DependencyParser
  from underthesea.utils import device, logger
  from underthesea.utils.sp_common import pad, unk, bos
  from underthesea.utils.sp_data import Dataset
  from underthesea.utils.sp_embedding import Embedding
  from underthesea.utils.sp_field import Field, SubwordField
  from underthesea.utils.sp_metric import Metric, AttachmentMetric
  from underthesea.utils.sp_parallel import DistributedDataParallel, is_master
label_desc: Use image node_id 1 to create a new DependencyParserTrainer object  with example: obj = DependencyParserTrainer(parser, corpus)