How to tweet dot com

tweeper.py

import tweepy
from urllib import urlopen
from random import randrange
from random import choice
consumer_key=''
consumer_secret=''
access_token_key=''
access_token_secret=''

auth = tweepy.OAuthHandler(consumer_key, consumer_secret)
auth.set_access_token(access_token_key, access_token_secret)
bot = tweepy.API(auth)

with open('my_tweets.txt', 'r') as linkFile:
        links = linkFile.read().split('\n')

tweet = '{link}'.format(link=choice(links))
print(str(tweet))
bot.update_status(tweet)