Update app.py

app.py

@@ -26,9 +26,9 @@ tokenizer.train_from_iterator(
     special_tokens=["<s>", "<pad>", "</s>", "<unk>", "<mask>", "<|user|>", "<|bot|>", "<|end|>"]
 )
 
-tokenizer.save("custom_tokenizer.json")
+tokenizer.save("./custom_tokenizer.json")
 
-tokenizer = PreTrainedTokenizerFast(tokenizer_file="custom_tokenizer.json")
+tokenizer = PreTrainedTokenizerFast(tokenizer_file="./custom_tokenizer.json")
 
 tokenizer.bos_token = "<s>"
 tokenizer.eos_token = "</s>"