Style: Fix `flake8` error E999 SyntaxError: leading zeros in decimal integer

diff --git a/xsetbg_db.py b/xsetbg_db.py
index e64440ae7b045730e6adee16031b675455cdd1eb..0ad9d048625dce5f00eea0ab0b2f67d56f5cc6b3 100755 (executable)
--- a/xsetbg_db.py
+++ b/xsetbg_db.py
@@ -11,7 +11,7 @@ from xsetbg_conf import xsetbg_conf
 __all__ = ['xsetbg_db_path', 'xsetbg_db']
 
 # octal; -rw-------; make the database file(s) readable only by the user
-os.umask(0066)
+os.umask(0o066)
 
 
 class XSetBg(SQLObject):