> might be calling out to a database with invalid credentials, establishing a network connection which may fail to connect, or reading a file from the filesyste

> might be calling out to a database with invalid credentials, establishing a network connection which may fail to connect, or reading a file from the filesystem which might not exist. In python its not unusual that, import some_third_partylib will do exactly that. I've seen libraries that will load a half gigabyte machine learning model into memory on import and one that sends some event to sentry for telemetry. People write such shit code, its unbelievable.