Update app.py

app.py

@@ -316,7 +316,7 @@ def process_key(key, test_model):
         return "invalid"
     else:
         total_balance = credit_summary.get("total_balance", 0)
-        if total_balance <= 0:
+        if total_balance <= 0.03:
             return "free"
         else:
             if test_model_availability(key, test_model):