Selenium webdriver error

I am trying to execute below code. getting error ...... *** AttributeError: 'NoneType' object has no attribute 'to_capabilities'

FYI having below versions of chrome browser and chrome driver

Chrome Version - 124.0.6367.119 (Official Build) (64-bit)

ChromeDriver version - 124.0.6367.91

from kiteconnect import KiteConnect
from selenium import webdriver

token_path = "api_key.txt"
key_secret = open(token_path,'r').read().split()
kite = KiteConnect(api_key = key_secret[0])
service ='./chromedriver')
options = webdriver.ChromeOptions()
options = options.to_capabilities()
driver = webdriver.Remote(service.service_url,options)
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