Update gptzero_free.py

gptzero_free.py

@@ -33,7 +33,7 @@ class GPT2PPL:
         # else:
         #     label = 1
         #     return "The Text is written by Human.", label
-        return {"HUMAN": threshold, "AI": 1 - threshold}
+        return {"HUMAN": threshold/100, "AI": 1 - (threshold/100)}
 
     def __call__(self, sentence):
         """