old_contents: import itertools
  from toolz import first, second
  
  iters = itertools.imap(iter, [(1, 2) for i in range(1000000)])
  
  def test_first_iter():
      for p in iters:
          first(p)
  
  
  def test_second_iter():
      for p in iters:
          second(p)
  
new_contents: import itertools
  from toolz import first, second
  
  
  def test_first_iter():
      iters = map(iter, [(1, 2) for i in range(1000000)])
      for p in iters:
          first(p)
  
  
  def test_second_iter():
      iters = map(iter, [(1, 2) for i in range(1000000)])
      for p in iters:
          second(p)
  
subject: move iters within tests - was burning up before