rg3/youtube-dl — pull request #4583 by WassimAttar (2014-12-27 20:36:36+00:00)
Title: [arte] "quality" key test

When the "quality" key does not exist, it crashes the application.
So the existence of "quality" key must be tested before requesting it.
You can test with this command, with the current version youtube-dl crashes
youtube-dl -F http://www.arte.tv/guide/fr/052414-003/repas-de-fete