Не выводит CallBack

@bot.callback_query_handler(func= lambda call: True)
def categories(call):
    if call.data == 'prices':
        markup_inline = types.InlineKeyboardMarkup()
        button_buy20 = types.InlineKeyboardButton(f"? 20 | {price.20} RUB", callback_data='Buy20')
        button_buy50 = types.InlineKeyboardButton(f"? 50 | {price.50} RUB", callback_data='Buy50')
        button_buy100 = types.InlineKeyboardButton(f"? 100 | {price.100} RUB", callback_data='Buy100')
        button_buy200 = types.InlineKeyboardButton(f"? 200 | {price.200} RUB", callback_data='Buy200')
        button_buy300 = types.InlineKeyboardButton(f"? 300 | {price.300} RUB", callback_data='Buy300')
        markup_inline.add(button_buy20, button_buy50)
        markup_inline.add(button_buy100, button_buy200)
        markup_inline.add(button_buy300)
        bot.send_message(call.message.chat.id, 'blablabla\nblablabla', reply_markup=markup_inline)

@bot.callback_query_handler(func=lambda call: True)
def buy(call):
    if call.data == 'Buy20':
        markup_inline = types.InlineKeyboardMarkup()
        button_buy_balance = types.InlineKeyboardButton('blablabla')
        button_buy_card = types.InlineKeyboardButton('blablabla')
        markup_inline.add(button_buy_balance_profile)
        markup_inline.add(button_buy_card)
        bot.send_message(call.message.chat.id,'testtesttest', reply_markup=markup_inline)```