code: def get_default_args(
      force=True,
      lc=False,
      smooth_value=None,
      smooth_method="exp",
      tokenize="13a",
      num_refs=1,
  ):
      args = argparse.Namespace()
      args.force = force
      args.lc = lc
      args.smooth_value = smooth_value
      args.smooth_method = smooth_method
      args.tokenize = tokenize
      args.num_refs = num_refs
      return args
  
file_path: vizseq/vizseq/scorers/bleu.py
imports: from concurrent.futures import ProcessPoolExecutor, as_completed
  from typing import List, Optional, Dict
  import argparse
  from sacrebleu.metrics import BLEU
  from tqdm import tqdm
  from vizseq.scorers import register_scorer, VizSeqScorer, VizSeqScore
  from vizseq._utils.optional import get_optional_dict
label_desc: Use image node_id 1 for calling a global function with example usage: get_default_args(force, lc, smooth_value, smooth_method, tokenize, num_refs) and returns: args