Update .readthedocs.yml

.readthedocs.yml

@@ -1,14 +1,22 @@
-# See: https://docs.readthedocs.io/en/latest/config-file/v2.html
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
 
 version: 2
 
+# Set the version of Python and other tools you might need
 build:
-  image: latest
+  os: ubuntu-20.04
+  tools:
+    python: "3.9"
 
 python:
-  version: "3.8"
   install:
     - method: pip
       path: .
       extra_requirements:
         - docs
+        - pandas
+        - flask
+        - fastapi
+        - rdflib