`all` acts as an alias for all formats ([docs](https://docs.readthedocs.io/en/stable/config-file/v2.html#formats)). Whilst there are only three formats right now, this would auto expand to other formats in the future, which seems desirable?
@@ -15,7 +15,4 @@ python:
install:
- requirements: docs/requirements.txt
-formats:
- - epub
- - pdf
- - htmlzip
+formats: all
Adam Johnson