```ruby
require 'timetable/time_helper'
require 'timetable/application'
require 'timetable/cache'
require 'timetable/calendar'
require 'timetable/config'
require 'timetable/database'
require 'timetable/downloader'
require 'timetable/events'
require 'timetable/parser'
require 'timetable/preset'
```

Fix bad require following the renaming of the Events class
user
```ruby
require 'timetable/time_helper'
require 'timetable/application'
require 'timetable/cache'
require 'timetable/calendar'
require 'timetable/config'
require 'timetable/database'
require 'timetable/downloader'
require 'timetable/parser_delegate'
require 'timetable/parser'
require 'timetable/preset'
```
assistant