More precisely, one could keep the alert, but make it so that it can not appear if it already appeared in the last 5 seconds (say). It is so annoying!
CC: @sagetrac-acleone @williamstein @boothby @qed777
Component: notebook
Author: Tim Dumol, Mitesh Patel
Reviewer: Mitesh Patel, Tim Dumol, Alex Leone
Merged: sagenb-0.8
Issue created by migration from https://trac.sagemath.org/ticket/5712