code: def reset_vector_cache():
      MatchingField._cached_vec_data = {}
  
imports: import gzip
  import logging
  import os
  import shutil
  import tarfile
  import zipfile
  import nltk
  import six
  import fasttext
  import torch
  from torchtext.legacy import data, vocab
  from torchtext.utils import download_from_url
  from urllib.request import urlretrieve
label_desc: Use image node_id 1 for calling a global function with example usage: reset_vector_cache() without return types