old_contents: import freenect
  import timeit
  
  n_iterations = 1000
  start = timeit.default_timer()
  for _ in xrange(n_iterations)
  	freenect.sync_get_depth()
  duration = timeit.default_timer() - start
  fps = int(float(n_iterations) / duration)
  print('performed %d iterations: total time: %fs (%dfps)' % (n_iterations, duration, fps))
  
new_contents: import freenect
  import timeit
  
  n_iterations = 1000
  print('performing %d iterations ...' % n_iterations)
  start = timeit.default_timer()
  for _ in xrange(n_iterations):
  	freenect.sync_get_depth()
  duration = timeit.default_timer() - start
  fps = int(float(n_iterations) / duration)
  print('total time: %fs (%dfps)' % (duration, fps))
  
subject: Fix bugs