Proxied fetch sometimes returns Bad Request error

[jnv]

Hello! I would like to use val.town for some simple web scraping, but I ran into problem with Proxied fetch:

1. proxied fetch for https://www.wikipedia.org fetch works: https://www.val.town/v/jnv/majesticOliveStork/versions/11
2. proxied fetch for https://wikipedia.org (without www.) fetch returns Bad Request error: https://www.val.town/v/jnv/majesticOliveStork/versions/12
3. unproxied fetch for https://wikipedia.org works fine: https://www.val.town/v/jnv/majesticOliveStork/versions/13

I suspect it could be related to redirects, perhaps the API behind the proxied fetch expects only 200 response?