update readthedocs.yml

.readthedocs.yml

@@ -8,23 +8,23 @@ version: 2
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/source/conf.py
-  # fail_on_warning might generate hard to fix error, in this case it can be
-  # disabled but this also means those errors will fail silently, choose wisely.
-  fail_on_warning: false
-
-# Build documentation with MkDocs
-#mkdocs:
-#  configuration: mkdocs.yml
 
 # Optionally build your docs in additional formats such as PDF and ePub
-formats: all
+# formats:
+#     - pdf
 
-# Optionally set the version of Python and requirements required to build your docs
-#python:
-#  version: 3.6
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "mambaforge-22.9"
 
 conda:
-  environment: docs/environment.yml
+  environment: environment.yml
 
-build:
-  image: stable
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs