readthedocs: Use build.os instead of build.image

build.image config key will be deprecated in favor of build.os

ref:
https://blog.readthedocs.com/use-build-os-config/

Issue-ID: INF-429

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Change-Id: Icaeb1dd26319d91c86082af5d419d694cb94a3d3

diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 3797dc8..243587e 100644 (file)
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -9,10 +9,11 @@ formats:
   - htmlzip
 
 build:
-  image: latest
+  os: latest
+  tools:
+    python: "3.7"
 
 python:
-  version: 3.7
   install:
     - requirements: docs/requirements-docs.txt