Update app.py

app.py

@@ -274,9 +274,10 @@ def build_date(year, month, day):
     return f"{year}{months[month]}{day}"
 
 def len_validator(text):
-    min_chars = 350  
-    if len(text) < min_chars:
-        return f"Warning! Input length is {len(text)}. Please input a text that is greater than {min_chars} characters long. Recommended length {min_chars*2} characters." 
+    min_tokens = 128  
+    lengt = len(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 :
         return f"Input length is satisified."