The CW20 file doesn't appear to be a JSON file anymore...

[wengzilla]

Looks like it's a JS file now, which isn't parsable in the same manner...

TrackTerra-v2/index.js

Line 576 in dd8a0b8

var query_url = 'https://raw.githubusercontent.com/terra-money/assets/master/cw20/tokens.json'