[BugFix] Fix message receipt in code-upload worker (#4176)

scripts/workers/code_upload_submission_worker.py

@@ -765,6 +765,7 @@ def main():
                     try:
                         # Fetch the last job name from the list as it is the latest running job
                         job_name = submission.get("job_name")
+                        message_receipt_handle = message.get("receipt_handle")
                         if job_name:
                             latest_job_name = job_name[-1]
                             delete_job(api_instance, latest_job_name)
@@ -773,7 +774,6 @@ def main():
                                 "No job name found corresponding to submission: {} with status: {}."
                                 "Deleting it from queue.".format(submission_pk, submission.get("status"))
                             )
-                        message_receipt_handle = message.get("receipt_handle")
                         evalai.delete_message_from_sqs_queue(
                             message_receipt_handle
                         )