fix(backup): pylint fixes

backup/backup.py

@@ -17,6 +17,7 @@ from redbot.core.bot import Red
 from redbot.core.utils.chat_formatting import error, text_to_file
 
 
+# pylint: disable=protected-access
 class Backup(commands.Cog):
     """A utility to make reinstalling repositories and cogs after migrating the bot far easier."""
 
@@ -46,9 +47,7 @@ class Backup(commands.Cog):
             )
             return
 
-        all_repos = list(
-            downloader._repo_manager.repos
-        )  # pylint: disable=protected-access
+        all_repos = list(downloader._repo_manager.repos)
 
         export_data = []