old_contents: from __future__ import unicode_literals
  from tqdm import format_interval
  
  
  def test_format_interval():
      assert format_interval(60) == '01:00'
      assert format_interval(6160) == '1:42:40'
      assert format_interval(238113) == '66:08:33'
  
  
new_contents: from __future__ import unicode_literals
  from tqdm import format_interval, format_meter
  
  
  def test_format_interval():
      assert format_interval(60) == '01:00'
      assert format_interval(6160) == '1:42:40'
      assert format_interval(238113) == '66:08:33'
  
  
  def test_format_meter():
      assert format_meter(231, 1000, 392) == \
          "|##--------| 231/1000  23% [elapsed: " \
          "06:32 left: 12:49,  0.00 iters/sec]"
  
  
subject: Test of format_meter (failed on py32)