code: def parse(self):
          
  
          try:
              return super(RosterRep, self).parse() \
                  .parse_rosters() \
                  .parse_scratches() \
                  .parse_coaches() \
                  .parse_officials()
          except:
              return None
docs: Retreive and parse Play by Play data for the given :py:class:`nhlscrapi.games.game.GameKey``
  
          :returns: ``self`` on success, ``None`` otherwise