old_contents: 
  from telegram import Updater, InlineQueryResultPhoto
  
  from game_manager import GameManager
  import card as c
  from credentials import TOKEN
  
  gm = GameManager()
  u = Updater(TOKEN)
  dp = u.dispatcher
  
  
  def new_game(bot, update):
      chat_id = update.message.chat_id
      link = gm.generate_invite_link(u.bot.getMe().username, chat_id)
      bot.sendMessage(chat_id,
                      text="Click this link to join the game: %s" % link)
  
  
  def start(bot, update, args):
      if args:
          gm.join_game(args[0], update.message.from_user)
      else:
          bot.sendMessage(update.message.chat_id,
                          text="Please invite me to a group and "
                               "issue the /start command there.")
  
  
  def inline(bot, update):
      if update.inline_query:
          user_id = update.inline_query.from_user.id
          player = gm.userid_player[user_id]
  
          playable = list()
          for card in player.playable_cards():
              playable.append(
                  InlineQueryResultPhoto(str(card),
                                         card.get_image_link(),
                                         card.get_thumb_link())
              )
  
          bot.answerInlineQuery(update.inline_query.id, playable)
  
      else:
          user_id = update.chosen_inline_result.from_user.id
          game = gm.userid_game[user_id]
          game.play_card(c.from_str(update.chosen_inline_result.id))
  
new_contents: 
  from telegram import Updater, InlineQueryResultPhoto
  
  from game_manager import GameManager
  import card as c
  from credentials import TOKEN
  
  gm = GameManager()
  u = Updater(TOKEN)
  dp = u.dispatcher
  
  
  def new_game(bot, update):
      chat_id = update.message.chat_id
      link = gm.generate_invite_link(u.bot.getMe().username, chat_id)
      bot.sendMessage(chat_id,
                      text="Click this link to join the game: %s" % link)
  
  
  def start(bot, update, args):
      if args:
          gm.join_game(args[0], update.message.from_user)
      else:
          bot.sendMessage(update.message.chat_id,
                          text="Please invite me to a group and "
                               "issue the /new command there.")
  
  
  def inline(bot, update):
      if update.inline_query:
          user_id = update.inline_query.from_user.id
          player = gm.userid_player[user_id]
  
          playable = list()
          for card in player.playable_cards():
              playable.append(
                  InlineQueryResultPhoto(str(card),
                                         card.get_image_link(),
                                         card.get_thumb_link())
              )
  
          bot.answerInlineQuery(update.inline_query.id, playable)
  
      else:
          user_id = update.chosen_inline_result.from_user.id
          game = gm.userid_game[user_id]
          game.play_card(c.from_str(update.chosen_inline_result.id))
  
  dp.addTelegramInlineHandler(inline)
  dp.addTelegramCommandHandler('start', start)
  dp.addTelegramCommandHandler('new', new_game)
  
  u.start_polling()
  
subject: add register handlers