docs: def s2time(secs, show_secs=True, show_fracs=True):
      """Converts seconds to time"""
      try:
          secs = float(secs)
      except:
          return "--:--:--.--"
      wholesecs = int(secs)
      centisecs = int((secs - wholesecs) * 100)
      hh = int(wholesecs / 3600)
      hd = int(hh % 24)
      mm = int((wholesecs / 60) - (hh*60))
      ss = int(wholesecs - (hh*3600) - (mm*60))
      r = "{:02d}:{:02d}".format(hd, mm)
      if show_secs:
          r += ":{:02d}".format(ss)
      if show_fracs:
          r += ".{:02d}".format(centisecs)
      return r