/socket.io/* 404 not found flask
First, check if the link to the CDN is valid. If doesn't work, change it to a new link from here, for example:
https://cdnjs.cloudflare.com/ajax/libs/socket.io/1.3.5/socket.io.min.js
First, check if the link to the CDN is valid. If doesn't work, change it to a new link from here, for example:
https://cdnjs.cloudflare.com/ajax/libs/socket.io/1.3.5/socket.io.min.js