```Traceback (most recent call last):


 "train_single.py", line 223, in <module>

main()


 "train_single.py", line 74, in main

full_tokenizer = tokenization_bert.BertTokenizer(vocab_file=args.tokenizer_path)
UnboundLocalError: local variable 'tokenization_bert' referenced before assignment

Traceback (most recent call last):


 "/root/vmaf/python/test/quality_runner_test.py", line 933, in test_run_vmaf_runner_pool_perc10

self.assertAlmostEqual(results[0]['VMAF_score'], 72.753572476835515, places=4)
AssertionError: 72.753852967634373 != 72.75357247683552 within 4 places
