[Python] python telegram bot async not working simultaneously in 2 groups

I have a telegram bot written with python telegram bot package with the latest release and i have a problem, the bot runs fine everything works but when i try to run it in 2** different groups** at the same time, the bot first finishes the first request in group A then process the request from group B this is a example code



async def start_blackjack(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
if not await check_player(update, context):
return
chat_id = update.message.chat_id
game = await sync_to_async(lambda: Game.objects.filter(chat_id=chat_id).order_by('-id').first())()

if not game or game.ended:
game, created = await sync_to_async(Game.objects.get_or_create)(chat_id=chat_id, ended=False)
game.betting = True
game.started = False
await sync_to_async(game.save)()

await asyncio.sleep(2) # Non-blocking sleep
await context.bot.send_message(chat_id=chat_id, text=" Set the bet amount for the blackjack game to start.")

await create_poll(update, context) # Assume this is an async function
await asyncio.sleep(2) # Non-blocking sleep
await context.bot.send_message(chat_id=chat_id, text=" Betting process has started!")
return

if game.betting:
await update.message.reply_text("A Blackjack game is in betting progress. Wait for the betting process to end and use /join to join the game.")
elif game.started:
await update.message.reply_text("A game has already started. Use the /next command to be prompted when the next game starts.")
elif game.join_time:
await update.message.reply_text("A game is in join time. Use the /join command to join the game.")
else:
await update.message.reply_text("An error occurred, please try again.")



well the code wasn't written with async functions at first then i thought that why doesn't it run in 2 groups at the same time, or why doesn't it process a simple command when bot is running another command, so i re-written the whole thing with async functions and used sync_to_async for django orm , but still the problem exists as if nothing changed. a django model for the bot:


class Game(models.Model):
chat_id = models.CharField(max_length=100)
betting = models.BooleanField(default=False)
started = models.BooleanField(default=False)
join_time = models.BooleanField(default=False)
ended = models.BooleanField(default=False)
hands_reset = models.BooleanField(default=False)
bet_amount = models.IntegerField(default=5)
dealer_hand = models.JSONField(default=list) # To store the dealer's hand
turn_order = models.JSONField(default=list) # To store the turn order
current_round = models.IntegerField(default=1) # Current round number
total_rounds = models.IntegerField(default=5) # Total number of rounds in the game
pot = models.IntegerField(default=0) # Total pot amount
join_start_time = models.DateTimeField(null=True, blank=True) # Time when join period starts

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