Remove quotes

updateIndex.py

@@ -21,7 +21,7 @@ def upgradeIndex(args: argparse.Namespace) -> None:
             source_html = source_file.read()
 
         # Read the destination HTML file
-        with open('args.indexTemplate', 'r', encoding='utf-8') as dest_file:
+        with open(args.indexTemplate, 'r', encoding='utf-8') as dest_file:
             dest_html = dest_file.read()
 
         # Parse both HTML files