code: def test_push_to_hub(self):
      with tempfile.TemporaryDirectory() as tmp_dir:
          vocab_file = os.path.join(tmp_dir, "vocab.txt")
          with open(vocab_file, "w", encoding="utf-8") as vocab_writer:
              vocab_writer.write(
                  "".join([x + "\n" for x in self.vocab_tokens])
              )
          tokenizer = BertTokenizer(vocab_file)
  
      tokenizer.push_to_hub("test-tokenizer", token=self._token)
      new_tokenizer = BertTokenizer.from_pretrained(
          f"{USER}/test-tokenizer"
      )
      self.assertDictEqual(new_tokenizer.vocab, tokenizer.vocab)
  
      # Reset repo
      delete_repo(token=self._token, repo_id="test-tokenizer")
  
      # Push to hub via save_pretrained
      with tempfile.TemporaryDirectory() as tmp_dir:
          tokenizer.save_pretrained(
              tmp_dir,
              repo_id="test-tokenizer",
              push_to_hub=True,
              token=self._token,
          )
  
      new_tokenizer = BertTokenizer.from_pretrained(
          f"{USER}/test-tokenizer"
      )
      self.assertDictEqual(new_tokenizer.vocab, tokenizer.vocab)
  
imports: import os
  import sys
  import tempfile
  import unittest
  import unittest.mock
  from pathlib import Path
  from huggingface_hub import HfFolder, delete_repo
  from huggingface_hub.file_download import http_get
  from requests.exceptions import HTTPError
  from transformers import AlbertTokenizer, AutoTokenizer, BertTokenizer, BertTokenizerFast, GPT2TokenizerFast, is_tokenizers_available
  from transformers.testing_utils import TOKEN, USER, is_staging_test, require_tokenizers
  from transformers.tokenization_utils import Trie
  from test_module.custom_tokenization import CustomTokenizer
label_desc: Use image node_id 3 for calling the TokenizerPushToHubTester obj's underlying member method code with example usage: obj.test_push_to_hub() without return types