update minimum value back to 0

app.py

@@ -42,7 +42,7 @@ def get_score(targets, answers, th):
             answers.remove(answers[argmax])
 
         if len(answers)==0: break
-    if len(results)==0: return 30
+    if len(results)==0: return 0
     result = int(sum(results) / len(results) * 100)
     # result = sum(results) / target_len
     return result