If you’re running our python wrapper library (https://github.com/krishnavelu/alice_blue/) for the first time, You need to authorize your account with the Oauth app manually once!
And log in to your account and Authorize the access.
Make sure to put your username to put_your_username_here
*Generally Aliceblue username and App name is the same. If it is not the same for you, You should put the App name instead.