<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _invoke(self, arguments, autoescape):
 """This method is being swapped out by the async implementation."""

        rv = self._func(*arguments)
        if autoescape:
            rv = Markup(rv)
        return rv