code: def read_sentences_from_conllu(filename):
      sents = []
      cache = []
      with open(filename, encoding="utf-8") as infile:
          for line in infile:
              line = line.strip()
              if len(line) == 0:
                  if len(cache) > 0:
                      sents.append(cache)
                      cache = []
                  continue
              cache.append(line)
          if len(cache) > 0:
              sents.append(cache)
      return sents
  
imports: import argparse
  from enum import Enum
  import glob
  import logging
  import os
  import re
  import subprocess
  import sys
  from stanza.models.common.short_name_to_treebank import canonical_treebank_name
  import stanza.utils.datasets.prepare_tokenizer_data
  import stanza.utils.default_paths
label_desc: Use image node_id 6 for calling a global function with example usage: read_sentences_from_conllu(filename) and returns: sents