@@ -295,6 +295,7 @@ def get_parser(self, prog_name):
             action='append',
             help='Property to remove from flavor '
                  '(repeat option to unset multiple properties)',
+            required=True,
         )
         parser.add_argument(
             "flavor",
Original file line number	Diff line number	Diff line change
`@@ -295,6 +295,7 @@ def get_parser(self, prog_name):`
`295`	`295`	`action='append',`
`296`	`296`	`help='Property to remove from flavor '`
`297`	`297`	`'(repeat option to unset multiple properties)',`
	`298`	`+ required=True,`
`298`	`299`	`)`
`299`	`300`	`parser.add_argument(`
`300`	`301`	`"flavor",`