Handling for FileNotFoundError

evaluator.py

@@ -57,7 +57,10 @@ class Evaluator():
             questions = self.get_questions()
             return questions[random.randint(0, len(questions)-1)]
 
-    def _read_answer_file(self) -> List[str]:
+    def _read_answer_file(self, file_prefix) -> List[str]:
+        
+        logger.info(f"File prefix: {file_prefix}")
+        
         with open("answers.json", "r") as f:
             pairs = [QuestionAnswerPair(**pair) for pair in json.load(f)]
             formatted_data = [pair.get_answer() for pair in pairs]
@@ -66,10 +69,10 @@ class Evaluator():
 
     def submit_answers(self, username: str) -> str:
         """Submits saved answers to the scoring endpoint and returns the result."""
-        
-        logger.info(f"Requesting user: {username}")
-        
-        answers_payload = self._read_answer_file()
+        try:
+            answers_payload = self._read_answer_file({username})
+        except FileNotFoundError:
+            return "Click 'Get One Answer' or 'Get All Answers' to run before trying to submit."
         agent_code = f"https://huggingface.co/spaces/{self.settings.space_id}/tree/main"
         submission_data = {
             "username": self.settings.username,