toServantErr :: RenewalError -> ServantErr
toServantErr (Unknown s)
  = err500
  { errBody = LBS.fromStrict $ T.encodeUtf8 $ T.pack s }
toServantErr :: RenewalError -> ServantErr
toServantErr (Unknown s)
  = err500
  { errBody = LBS.fromStrict $ T.encodeUtf8 $ T.pack s }
toServantErr (Unknown s)
  = err500
  { errBody = LBS.fromStrict $ T.encodeUtf8 $ T.pack s }