readthedocs tweaks

.readthedocs.yaml

@@ -11,15 +11,17 @@ build:
   tools:
     python: "3.11"
 
-# Build documentation in the docs/ directory with Sphinx
-sphinx:
-  configuration: docs/source/conf.py
-
-# If using Sphinx, optionally build your docs in additional formats such as PDF
-formats:
-  - pdf
-
 # Optionally declare the Python requirements required to build your docs
 python:
   install:
     - requirements: docs/requirements.txt
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/source/conf.py
+  fail_on_warning: true
+
+# If using Sphinx, optionally build your docs in additional formats such as PDF
+formats:
+  - pdf
+  - epub

docs/requirements.txt

@@ -1,3 +1,2 @@
-sphinx>=5.3.0
+sphinx>7.0.0
 sphinx_rtd_theme>=1.2
-sphinxcontrib-jquery