Update app.py

app.py

@@ -374,7 +374,7 @@ def build_date(year, month, day):
 
 def len_validator(text):
     min_tokens = 200  
-    lengt = len(tokenizer.tokenize(text = text, return_tensors="pt"))
+    lengt = len(text_bc_tokenizer.tokenize(text = text, return_tensors="pt"))
     if  lengt < min_tokens:
         return f"Warning! Input length is {lengt}. Please input a text that is greater than {min_tokens} tokens long. Recommended length {min_tokens*2} tokens." 
     else :