docs: def humanize(t):
      """
      >>> print humanize(0)
      now
      >>> print humanize(1)
      in a minute
      >>> print humanize(60)
      in a minute
      >>> print humanize(61)
      in 2 minutes
      >>> print humanize(3600)
      in an hour
      >>> print humanize(3601)
      in 2 hours
      """
      m, s = divmod(t, 60)
      if s:
          m += 1                 # ceil minutes 
      h, m = divmod(m, 60)
      if m and h:
          h += 1                 # ceil hours
  #    d, h = divmod(h, 24)
  
      if h > 1:
          res = 'in %d hours' % h
      elif h == 1:
          res = 'in an hour'
      else:
          if m > 1:
              res = 'in %d minutes' % m
          elif m == 1:
              res = 'in a minute'
          else:
              res = 'now'
      return res