Changed "Unknown Token" token to "Token 0"

Some models have the unknown (UNK) token at a non-zero index in the vocab

app.py

@@ -128,13 +128,13 @@ with gr.Blocks() as frontend:
                 gr.Markdown("###  🎲 Tokenizer Data")
                 output_checkpoint = gr.Textbox(visible=False)
                 output_vocab_count = gr.Number(label="Vocab Size", interactive=False)
-                output_unknown_token = gr.Textbox(label="Unknown Token", interactive=False)
+                output_token_zero = gr.Textbox(label="Token 0", interactive=False)
                 output_vocab = gr.Code(label="Vocabulary IDs")
 
-        input_checkpoint.change(fn=load_vocab, inputs=[input_checkpoint, output_checkpoint], outputs=[output_checkpoint, output_vocab_count, output_unknown_token, output_vocab], queue=True)
+        input_checkpoint.change(fn=load_vocab, inputs=[input_checkpoint, output_checkpoint], outputs=[output_checkpoint, output_vocab_count, output_token_zero, output_vocab], queue=True)
         btn_tokenize.click(fn=tokenize_er, inputs=[input_checkpoint, input_sequence], outputs=[token_id_pair], queue=True)
         btn_random_seq.click(fn=randomize_sequence, inputs=[], outputs=[input_sequence])
         btn_decode.click(fn=de_tokenize_er, inputs=[input_checkpoint, token_id_pair], outputs=[output_decoded_token_ids,output_decoded_tokens, output_decoded_ids], queue=True)
-    frontend.load(fn=load_vocab, inputs=[input_checkpoint, output_checkpoint], outputs=[output_checkpoint, output_vocab_count, output_unknown_token, output_vocab], queue=True)
+    frontend.load(fn=load_vocab, inputs=[input_checkpoint, output_checkpoint], outputs=[output_checkpoint, output_vocab_count, output_token_zero, output_vocab], queue=True)
 
 frontend.launch()