```ruby
class Gigasecond
	def self.from time
		time + 10**9
	end
end

module BookKeeping
	VERSION = 6
end
```

Fix style: tab-size (This time it will work)
user
```ruby
class Gigasecond
  def self.from time
    time + 10**9
  end
end

module BookKeeping
  VERSION = 6
end
```
assistant