@@ -570,7 +570,7 @@ def _generate_usage(parser: argparse.ArgumentParser) -> str:
     formatter.add_usage(
         parser.usage, parser._actions, parser._mutually_exclusive_groups
     )
-    usage = formatter.format_help().strip()
+    usage: str = formatter.format_help().strip()
 
     # Strip ANSI codes before checking prefix (handles FORCE_COLOR edge case)
     usage = strip_ansi(usage)
Original file line number	Diff line number	Diff line change
`@@ -570,7 +570,7 @@ def _generate_usage(parser: argparse.ArgumentParser) -> str:`
`570`	`570`	`formatter.add_usage(`
`571`	`571`	`parser.usage, parser._actions, parser._mutually_exclusive_groups`
`572`	`572`	`)`
`573`		`- usage = formatter.format_help().strip()`
	`573`	`+ usage: str = formatter.format_help().strip()`
`574`	`574`
`575`	`575`	`# Strip ANSI codes before checking prefix (handles FORCE_COLOR edge case)`
`576`	`576`	`usage = strip_ansi(usage)`