Shouts hello to the world (asynchronously)!

def get(self, name):
        """Shouts hello to the world (asynchronously)!"""
        # Asynchronously yield a result from a method
        res = yield gen.Task(self.hello, name)

        # When using the `schema.validate` decorator asynchronously,
        #   we can return the output desired by raising
        #   `tornado.gen.Return(value)` which returns a
        #   Future that the decorator will yield.
        # In Python 3.3, using `raise Return(value)` is no longer
        #   necessary and can be replaced with simply `return value`.
        #   For details, see:
        # http://www.tornadoweb.org/en/branch3.2/gen.html#tornado.gen.Return

        # return res  # Python 3.3
        raise gen.Return(res)