By Tom Gott Manchester City want an answer on Pep Guardiola’s future with the team before the end of the calendar year, a report has revealed. Guardiola, who has entered the final 12 months of his contract with City, has made no secret of the fact that he is approaching the end of his tenure with the club. With long-standing director of football Txiki Begiristain departing at the end of the season, many have assumed Guardiola could also choose to walk away from the Etihad Stadium to usher in a new era when Hugo Viana arrives to replace Begiristain. City have repeatedly stressed their desire to…