old_contents: class RedisConnectionMock(object):
      """ Simple class to mock a dummy behaviour for Redis related functions """
  
      def zscore(self, redis_prefix, day):
          pass
  
      def zincrby(self, redis_prefix, day, amount):
          pass
new_contents: class RedisConnectionMock(object):
      """ Simple class to mock a dummy behaviour for Redis related functions """
  
      def zscore(self, redis_prefix, day):
          pass
  
      def zincrby(self, redis_prefix, day, amount):
          pass
  
subject: Add newline to end fle