def _restart_target(self):
        """
        Restart our Target.
        """
        if self._server:
            if self._server.returncode is None:
                self._server.kill()
                time.sleep(0.2)
        self._server = subprocess.Popen("python session_server.py", stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
        time.sleep(0.2)