Author: collinw

Lib/string.py

@@ -231,6 +231,7 @@ def vformat(self, format_string, args, kwargs):
                 # format the object and append to the result
                 result.append(self.format_field(obj, format_spec))
 
+        self.check_unused_args(used_args, args, kwargs)
         self.check_unused_args(used_args, args, kwargs)
         return ''.join(result)