vulns return invalid character '<'

[hanxue]

When querying for vulns, I get this error

$ reg vulns  --clair https://clair.j3ss.co r.j3ss.co/chrome

I am using this version of reg

reg:
 version     : v0.16.1
 git hash    : 4203e559
 go version  : go1.13.4
 go compiler : gc
 platform    : linux/amd64

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