code: def run(self, *args):
          
          if self.prefix_char is None:
              prefix_char = config.suite_alias_prefix_char
          else:
              prefix_char = self.prefix_char
  
          if prefix_char == '':
              # empty prefix char means we don't support the '+' args
              return self._run_no_args(args)
          else:
              return self._run(prefix_char, args)
docs: Invoke the wrapped script.
  
          Returns:
              Return code of the command, or 0 if the command is not run.