Chat = types.InlineKeyboardMarkup(row_width=1)
chatik = types.InlineKeyboardButton(text='Чат', URL ='www.youtube.ru')
Chat.add(chatik)
@bot.callback_query_handler(func=lambda call: True)
def callback(call):
if call.data == 'chat_osnova':
bot.send_message(call.message.chat.id, "Answer is Yes", reply_markup= Chat)