old_contents: # encoding: UTF-8
  import random
  from . import config
  
  def sampler(source):
      def reshuffle():
          copy = list(source)
          random.shuffle(copy)
          return copy
  
      stack = reshuffle()
      lastitem = ''
  
      while True:
          try:
              item = stack.pop()
              if item == lastitem:
                  item = stack.pop()
              yield item
              lastitem = item
          except IndexError:
              stack = reshuffle()
              continue
  
  def incremental_chance(increment=0.01, start=0.5):
      current_chance = start
  
      while True:
          r = random.random()
          success = (r < current_chance)
          if success:
              current_chance = start
          else:
              current_chance += increment
          yield success
  
  
  def status_generator():
      random_status = sampler(config.TWEET_MESSAGES)
      show_status = incremental_chance(start=0, increment=0.25)
  
      fixed = config.TWEET_FIXED
  
      while True:
          status = ''
          if next(show_status):
              status = next(random_status) + " "
          yield "{status}{fixed}".format(status=status, fixed=fixed)
  
  if __name__ == '__main__':
      gen = status_generator()
      for i in range(0, 20):
          print(next(gen))
  
new_contents: # encoding: UTF-8
  import random
  from . import config
  
  def sampler(source):
      def reshuffle():
          copy = list(source)
          random.shuffle(copy)
          return copy
  
      stack = reshuffle()
      lastitem = ''
  
      while True:
          try:
              item = stack.pop()
              if item == lastitem:
                  item = stack.pop()
              yield item
              lastitem = item
          except IndexError:
              stack = reshuffle()
              continue
  
  def incremental_chance(start=0.5, increment=0.01):
      current_chance = start
  
      while True:
          r = random.random()
          success = (r < current_chance)
          if success:
              current_chance = start
          else:
              current_chance += increment
          yield success
  
  
  def status_generator():
      random_status = sampler(config.TWEET_MESSAGES)
      show_status = incremental_chance(start=config.TWEET_CHANCE_INITIAL, increment=config.TWEET_CHANCE_INCREMENT)
  
      fixed = config.TWEET_FIXED
  
      while True:
          status = ''
          if next(show_status):
              status = next(random_status) + " "
          yield "{status}{fixed}".format(status=status, fixed=fixed)
  
  if __name__ == '__main__':
      gen = status_generator()
      for i in range(0, 20):
          print(next(gen))
  
subject: Add configuration options for randomness