diff --git a/ecs/jskult-batch/src/aws/s3.py b/ecs/jskult-batch/src/aws/s3.py
index c5868f68..c44e61b0 100644
--- a/ecs/jskult-batch/src/aws/s3.py
+++ b/ecs/jskult-batch/src/aws/s3.py
@@ -2,6 +2,7 @@ import os.path as path
 import tempfile
 
 import boto3
+
 from src.system_var import environment
 
 
@@ -63,10 +64,10 @@ class ConfigBucket(S3Bucket):
         jsk_archive_run_day_list_key = f'{environment.JSKULT_CONFIG_CALENDAR_FOLDER}/{environment.JSKULT_CONFIG_CALENDAR_RUN_ARCHIVE_DAY_FILE_NAME}'
         with open(temporary_file_path, mode='wb') as f:
             self._s3_client.download_file(
-                self._bucket_name,  jsk_archive_run_day_list_key, f)
+                self._bucket_name, jsk_archive_run_day_list_key, f)
             f.seek(0)
         return temporary_file_path
-    
+
     def download_jsk_expected_data_list(self):
         temporary_dir = tempfile.mkdtemp()
         temporary_file_path = path.join(
@@ -79,7 +80,6 @@ class ConfigBucket(S3Bucket):
         return temporary_file_path
 
 
-
 class JskUltBackupBucket(S3Bucket):
     _bucket_name = environment.JSKULT_BACKUP_BUCKET
 
@@ -122,4 +122,4 @@ class JskSendBucket(S3Bucket):
         dat_key = f'{self._send_folder}/{dat_file_key}'
         backup_key = f'{jskult_backup_bucket._folder}/{datetime_key}/{dat_file_key.replace(f"{self._send_folder}/", "")}'
         self._s3_client.copy(self._bucket_name, dat_key,
-                             jskult_backup_bucket._bucket_name, backup_key)
\ No newline at end of file
+                             jskult_backup_bucket._bucket_name, backup_key)