ci: `using_k8s` should use `det master config -o json`.
@@ -141,6 +141,8 @@ def using_k8s(request: SubRequest) -> bool:
config.make_master_url(),
"master",
"config",
+ "-o",
+ "json",
]
output = subprocess.check_output(command, universal_newlines=True, stderr=subprocess.PIPE)
