.arcconfig

py3: convert arbitrary exception object to byte string more reliably

Our exception types implement __bytes__(), which should be tried first. Do
lossy encoding conversion as a last resort.

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}