How to use the parameterized.parameterized.param function in parameterized

def wrapper(test_self=None):
            test_cls = test_self and type(test_self)
            if test_self is not None:
                if issubclass(test_cls, InstanceType):
                    raise TypeError((
                        "@parameterized can't be used with old-style classes, but "
                        "%r has an old-style class. Consider using a new-style "
                        "class, or '@parameterized.expand' "
                        "(see http://stackoverflow.com/q/54867/71522 for more "
                        "information on old-style classes)."
                    ) %(test_self, ))

            original_doc = wrapper.__doc__
            for num, args in enumerate(wrapper.parameterized_input):
                p = param.from_decorator(args)
                unbound_func, nose_tuple = self.param_as_nose_tuple(test_self, test_func, num, p)
                try:
                    wrapper.__doc__ = nose_tuple[0].__doc__
                    # Nose uses `getattr(instance, test_func.__name__)` to get
                    # a method bound to the test instance (as opposed to a
                    # method bound to the instance of the class created when
                    # tests were being enumerated). Set a value here to make
                    # sure nose can get the correct test method.
                    if test_self is not None:
                        setattr(test_cls, test_func.__name__, unbound_func)
                    yield nose_tuple
                finally:
                    if test_self is not None:
                        delattr(test_cls, test_func.__name__)
                    wrapper.__doc__ = original_doc

def from_decorator(cls, args):
        """ Returns an instance of ``param()`` for ``@parameterized`` argument
            ``args``::

                >>> param.from_decorator((42, ))
                param(args=(42, ), kwargs={})
                >>> param.from_decorator("foo")
                param(args=("foo", ), kwargs={})
            """
        if isinstance(args, param):
            return args
        elif isinstance(args, string_types):
            args = (args, )
        try:
            return cls(*args)
        except TypeError as e:
            if "after * must be" not in str(e):
                raise
            raise TypeError(
                "Parameters must be tuples, but %r is not (hint: use '(%r, )')"
                %(args, args),
            )