code: def get_parser():
      parser = argparse.ArgumentParser(
          description="transforms features via a given pca and stored them in target dir"
      )
      parser.add_argument("source", help="directory with features")
      parser.add_argument(
          "--split", help="which split to read", required=True
      )
      parser.add_argument(
          "--save_dir", help="where to save the output", required=True
      )
      parser.add_argument(
          "--cluster_dir", help="where the clusters are"
      )
      parser.add_argument(
          "--pooling",
          type=str,
          default="mean",
          choices=["mean", "sample"],
          help="how to pool",
      )
  
      return parser
  
file_path: espnet/egs2/clarity21/enh1/pyscripts/feats/merge_clusters.py
imports: import argparse
  import os
  import os.path
  import random
  from shutil import copyfile
  import numpy
  import torch
  import tqdm
  from npy_append_array import NpyAppendArray
label_desc: Use image node_id 1 for calling a global function with example usage: get_parser() and returns: parser