code: def clean(file):
      print(file)
      with open(join(RAW_FOLDER, file)) as f:
          content = f.read()
      with open(join(CLEANED_FOLDER, file), "w") as out_file:
          out_file.write("")
      with open(join(CLEANED_FOLDER, file), "a") as out_file:
          for line in content.split("\n"):
              if not check_line(line):
                  continue
              sents = sent_tokenize(line)
              for sent in sents:
                  if not check_line(sent):
                      continue
                  out_file.write(sent.strip() + "\n")
      return
  
file_path: underthesea/underthesea/utils/col_wiki_clean.py
imports: import os
  from os import listdir
  from os.path import join
  from underthesea import sent_tokenize
  from multiprocessing import Pool
  from underthesea.file_utils import UNDERTHESEA_FOLDER
label_desc: Use image node_id 2 for calling a global function with example usage: clean(file) without return types