fix issue with division by 0

llmeval/commons/management/commands/eval_qa.py

@@ -362,7 +362,7 @@ class Command(BaseCommand):
             eval_answer.save()
             if session.request_delay:
                 time.sleep(session.request_delay)
-
-        print(f"Accuracy: {stats['correct']}/{stats['total']} ({stats['correct']/stats['total']:.2f})")
+        if stats['total']>0:
+            print(f"Accuracy: {stats['correct']}/{stats['total']} ({stats['correct']/stats['total']:.2f})")
 
         self.stdout.write(self.style.SUCCESS('Successfully evaluated MedQA'))