Unexpected indent error on fine formatted file

[frague59]

Hi,

I've an issue with a YAML file :

./src/commrequest/fixtures/extra-states-notifications.yaml
  4:5       error    wrong indentation: expected 6 but found 4  (indentation)
  5:3       error    wrong indentation: expected 4 but found 2  (indentation)
  6:3       error    wrong indentation: expected 0 but found 2  (indentation)
...

The file content :

https://gist.github.com/frague59/eb6b58cee707dfbe765e5a55aa8bc23d

Thanks for your help !