diff --git a/preload.py b/preload.py
index b3552ec..624e281 100644
--- a/preload.py
+++ b/preload.py
@@ -1,4 +1,7 @@
-def preload(parser):
+import argparse
+
+
+def preload(parser: argparse.ArgumentParser):
     parser.add_argument("--mo-show-dir-settings", action='store_true', help="Enable models dir change in settings")
     parser.add_argument("--mo-debug", action='store_true', help="Enable Model Organizer Debug Mode")
-    parser.add_argument("--mo-database-dir",type=str,help="Path to directory wiFth database",default=None,)
+    parser.add_argument("--mo-database-dir", type=str, help="Path to directory wiFth database", default=None)