Fix display of zero timestamps

archivebot-jobs

@@ -212,6 +212,8 @@ def render_date(ts, coloured = False):
 	diff = currentTime - ts
 	colourStr = f"\x1b[{0 if diff < 6 * 3600 else 7};31m" if coloured and diff >= 300 else ""
 	colourEndStr = "\x1b[0m" if colourStr else ""
+	if ts == 0:
+		return 'N/A'
 	if args.dates:
 		return (colourStr, datetime.datetime.fromtimestamp(ts).isoformat(sep = " "), colourEndStr)
 	if diff < -86400: