old_contents: import datetime
  
  
  def get_normalized_time():
      DATE_REPLACE = {
      'year': 2014,
      'month': 5,
      'day': 7,
      }
      now = datetime.datetime.now()
      n_time = now.replace(year=DATE_REPLACE['year'],
                  month=DATE_REPLACE['month'],
                  day=DATE_REPLACE['day'])
      return n_time
new_contents: import datetime
  
  
  def get_normalized_time():
      DATE_REPLACE = {
      'year': 2014,
      'month': 5,
      'day': 15,
      }
      now = datetime.datetime.now()
      n_time = now.replace(year=DATE_REPLACE['year'],
                  month=DATE_REPLACE['month'],
                  day=DATE_REPLACE['day'])
      return n_time
subject: change normalize date