fix(batch): clear exceptions for consistency

Michael Brewer · Michael Brewer · commit ebfae283bd6a · 2022-02-11T11:32:33.000-08:00
closes #1021
diff --git a/aws_lambda_powertools/utilities/batch/base.py b/aws_lambda_powertools/utilities/batch/base.py
@@ -351,6 +351,7 @@ def _prepare(self):
         """
         self.success_messages.clear()
         self.fail_messages.clear()
+        self.exceptions.clear()
         self.batch_response = copy.deepcopy(self.DEFAULT_RESPONSE)
 
     def _process_record(self, record: dict) -> Union[SuccessResponse, FailureResponse]:
