<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_dom(self) -> str: """ Retrieves the current value of the DOM for the step """


        if self.is_running:
            return self.dumps()

        if self.dom is not None:
            return self.dom

        dom = self.dumps()
        self.dom = dom
        return dom