<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def cleanup(self):
 """Remove the temporary directory created and reset state """

        if getattr(self._finalizer, "detach", None) and self._finalizer.detach():
            if os.path.exists(self.path):
                try:
                    rmtree(self.path)
                except OSError:
                    pass
                else:
                    self.path = None