Minor fix

app.py

@@ -13,7 +13,7 @@ def inference(input_text):
     color_encoding = []
     for word, encode in zip(sentence, encoding):
         color_sentence.append((word, str(encode)))
-        color_encoding.append((encode, str(encode)))
+        color_encoding.append((str(encode), str(encode)))
     return len(encoding), color_sentence, color_encoding
 
 title = "Bilingual Tokenizer"