Run the recorded chain of methods on `instance`.

        Args:
            instance: an object.

def run(self, instance):
        """Run the recorded chain of methods on `instance`.

        Args:
            instance: an object.
        """

        last = instance

        for item in self.stack:
            if isinstance(item, str):
                last = getattr(last, item)
            else:
                last = last(*item[0], **item[1])

        self.stack = []
        return last