docs: def get_player(self, guild_id: int) -> Player:
          """
          Gets a Player object from a guild ID.
  
          Parameters
          ----------
          guild_id : int
              Discord guild ID.
  
          Returns
          -------
          Player
  
          Raises
          ------
          KeyError
              If that guild does not have a Player, e.g. is not connected to any
              voice channel.
          """
          if guild_id in self._player_dict:
              return self._player_dict[guild_id]
          raise KeyError("No such player for that guild.")