@bot.message_handler(commands=['start'])
def send_welcome(msg):
    if connected_check(msg):
        bot.send_message(msg.chat.id, MainConfig.CONNECTION_TEXT, parse_mode=['html'])
    else:
        bot.send_message(msg.chat.id, 'Вы наш партнер?',
                         reply_markup=buttons.welcome_buttons)

@bot.callback_query_handler(func=lambda msg: msg.data == 'partner_false')
def functions_selection(msg):
    partner_reg = types.InlineKeyboardMarkup(row_width=1)
    partner_button = types.InlineKeyboardButton("Cтать партнером 🤝", url='panpartner.ru')
    partner_reg.add(partner_button)
    bot.send_message(msg.message.chat.id, MainConfig.NEW_PARTNER_TEXT, parse_mode=['html'], reply_markup=partner_reg)

welcome_buttons = types.InlineKeyboardMarkup(row_width=2)
partner_false = types.InlineKeyboardButton('Нет, но хочу 🚩', callback_data='partner_false')
partner_true = types.InlineKeyboardButton('Да, я ваш партнер✅', callback_data='partner_true')
welcome_buttons.add(partner_true, partner_false)

bot.send_message(msg.chat.id, 'Вы наш партнер?',
                         reply_markup=buttons.welcome_buttons)