diff --git a/swh/loader/antelink/tasks.py b/swh/loader/antelink/tasks.py
index 8cbde46..2e16c88 100644
--- a/swh/loader/antelink/tasks.py
+++ b/swh/loader/antelink/tasks.py
@@ -1,91 +1,88 @@
 # Copyright (C) 2015  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 from swh.loader.antelink.s3downloader import AntelinkS3Downloader
 from swh.loader.antelink.s3injecter import AntelinkS3Injecter
 from swh.loader.antelink.sesiinjecter import AntelinkSesiInjecter
 
 from swh.scheduler.task import Task
 
 
 class AntelinkS3DownloaderTsk(Task):
     """Download an s3 antelink file.
 
     """
     task_queue = 'swh_antelink_s3_downloader'
 
     CONFIG_BASE_FILENAME = 'antelink/s3-downloader.ini'
     ADDITIONAL_CONFIG = {}
 
     def __init__(self):
         self.config = AntelinkS3Downloader.parse_config_file(
             base_filename=self.CONFIG_BASE_FILENAME,
-            additional_configs=[self.ADDITIONAL_CONFIG],
-        )
+            additional_configs=[self.ADDITIONAL_CONFIG])
 
     def run(self, s3dirpath):
         """Import a s3 directory path.
 
         Args:
             cf. swh.loader.antelink.s3downloader.process docstring
 
         """
         s3downloader = AntelinkS3Downloader(self.config)
         s3downloader.log = self.log
         s3downloader.process(s3dirpath)
 
 
 class AntelinkS3InjecterTsk(Task):
     """Inject an s3 antelink file.
 
     """
     task_queue = 'swh_antelink_s3_injecter'
 
     CONFIG_BASE_FILENAME = 'antelink/s3-injecter.ini'
     ADDITIONAL_CONFIG = {}
 
     def __init__(self):
         self.config = AntelinkS3Injecter.parse_config_file(
             base_filename=self.CONFIG_BASE_FILENAME,
-            additional_configs=[self.ADDITIONAL_CONFIG],
-        )
+            additional_configs=[self.ADDITIONAL_CONFIG])
 
     def run(self, s3dirpath):
         """Import a s3 directory path.
 
         Args:
             cf. swh.loader.antelink.s3injecter.process docstring
 
         """
         s3inj = AntelinkS3Injecter(self.config)
         s3inj.log = self.log
         s3inj.process(s3dirpath)
 
 
 class AntelinkSesiInjecterTsk(Task):
     """Download antelink file from sesi machine.
 
     """
     task_queue = 'swh_antelink_sesi_downloader'
 
     CONFIG_BASE_FILENAME = 'antelink/sesi.ini'
     ADDITIONAL_CONFIG = {}
 
     def __init__(self):
         self.config = AntelinkSesiInjecter.parse_config_file(
             base_filename=self.CONFIG_BASE_FILENAME,
-            additional_configs=[self.ADDITIONAL_CONFIG],
-        )
+            additional_configs=[self.ADDITIONAL_CONFIG])
 
     def run(self, paths):
         """Import a bunch of paths from sesi machines.
 
         Args:
             cf. swh.loader.antelink.sesiinjecter.process docstring
 
         """
         sesiinjecter = AntelinkSesiInjecter(self.config)
         sesiinjecter.log = self.log
         sesiinjecter.process(paths)