old_contents: from __future__ import division
  from time import time
  
  
  def normalize(val, _min, _max):
      return (val - _min) / (_max - _min)
  
  
  def countdown(initial_time, seconds):
      while time() - initial_time < seconds:
          return False
      return True
  
new_contents: from __future__ import division
  from time import time
  
  
  def normalize(val, _min, _max):
      return (val - _min) / (_max - _min)
  
  
  def countdown(initial_time, seconds):
      if time() - initial_time < seconds:
          return False
      return True
  
subject: Change while->if to improve readability