async def get_join_requests(chat_id):
    date = 0
    user = types.InputUserEmpty()

    while True:
        r = await client(
            functions.messages.GetChatInviteImportersRequest(
                peer=chat_id,
                limit=100,
                offset_date=date,
                offset_user=user,
                requested=True,
            )
        )

        if not r.importers:
            break

        date, user = r.importers[-1].date, r.importers[-1].user_id

        for i in r.importers:
            # do action to i.user_id or yield them somewhere else

        # sleep a bit