（Google Arts and Culture）can not work

[ztjion520]

Hi
It can be used normally at the end of July, but it cannot be used today.
Hope you can fix it,I love this project so much！
Thank you.

Test site:
https://artsandculture.google.com/asset/ggF7tlS8IEcAGA

Problem Description:

Uncaught Error: Unable to fetch https://artsandculture.google.com/asset/ggF7tlS8IEcAGA
The server responded:
fopen(https://artsandculture.google.com/asset/ggF7tlS8IEcAGA): failed to open stream: HTTP request failed! HTTP/1.0 429 Too Many Requests

(https://dezoomify.ophir.dev/dezoomify/zoommanager.js:418)

[ztjion520]

Supplement:
Browser：chrome（Version 78.0.3904.87 (official version) (64-bit)）

I also tried using：dezoomify-rs，Still unable to download

[lovasoa]

Duplicate of #337

[lovasoa]

You can open a separate issue on dezoomify-rs if you want, but I can't reproduce the issue. dezoomify-rs downloads the image just fine on my computer.

By the way, if you want to download this picture, it is available on wikimedia commons: https://commons.wikimedia.org/wiki/File:La_Fresnaye,_Roger_de_-_The_Canal,_Brittany_Landscape_-_Google_Art_Project.jpg