if err == nil && time.Since(meta.lastHandout) > metacacheMaxClientWait {
				cancel()
				exit = true
				meta.status = scanStateError
				meta.error = fmt.Sprintf("listing canceled since time since last handout was %v ago", time.Since(meta.lastHandout).Round(time.Second))
				o.debugln(color.Green("saveMetaCacheStream: ") + meta.error)
				meta, err = o.updateMetacacheListing(meta, rpc)
			}
			if err == nil {
				*mc.meta = meta

Python 3.6 reached the [end-of-life and is no longer supported by Python](https://www.python.org/downloads/release/python-3615/) since around a year ago.

You hopefully updated to a supported version of Python a while ago. If you haven't, you really should.

### Features