I've looked around on StackExchange and it seemed like some people were having success filtering their AppEngine logs. But it's not working for me.
In my main app I tried:
import logging
logging.getLogger("requests").setLevel(logging.WARNING)
logging.getLogger("request_log").setLevel(logging.WARNING)
logging.getLogger("module").setLevel(logging.WARNING)
logging.getLogger("urllib3").setLevel(logging.WARNING)
I'm still getting each and every GET request from my site: