normalize some whitespace

setup/migrate.py

@@ -57,8 +57,8 @@ def migration_4(env):
 	shell("check_call", ["sqlite3", db, "ALTER TABLE users ADD privileges TEXT NOT NULL DEFAULT ''"])
 
 def migration_5(env):
-        # The secret key for encrypting backups was world readable. Fix here.
-        os.chmod(os.path.join(env["STORAGE_ROOT"], 'backup/secret_key.txt'), 0o600)
+	# The secret key for encrypting backups was world readable. Fix here.
+	os.chmod(os.path.join(env["STORAGE_ROOT"], 'backup/secret_key.txt'), 0o600)
 
 def get_current_migration():
 	ver = 0