Add build os to docs yml

beat-buesser · beat-buesser · commit 2a331474e637 · 2023-11-01T21:55:31.000+01:00
Signed-off-by: Beat Buesser &lt;beat.buesser@ibm.com&gt;
diff --git a/readthedocs.yml b/readthedocs.yml
@@ -3,7 +3,7 @@ version: 2
 build:
   os: ubuntu-20.04
   tools:
-    python: 3.9
+    python: "3.9"
 
 python:
   install:
