Require sphinx 4.3+

azure-pipelines.yml

@@ -176,7 +176,7 @@ stages:
     - script: |
         python -m pip install -r test_requirements.txt
         # Don't use doc_requirements.txt since that messes up tests
-        python -m pip install vulture sphinx==5.0.1 numpydoc==1.4.0
+        python -m pip install vulture sphinx==4.3.0 numpydoc==1.4.0
       displayName: 'Install dependencies; some are optional to avoid test skips'
     - script: /bin/bash -c "! vulture . --min-confidence 100 --exclude doc/,numpy/distutils/ | grep 'unreachable'"
       displayName: 'Check for unreachable code paths in Python modules'

doc/source/conf.py

@@ -4,7 +4,7 @@
 import importlib
 
 # Minimum version, enforced by sphinx
-needs_sphinx = '5.0.1'
+needs_sphinx = '4.3'
 
 
 # This is a nasty hack to use platform-agnostic names for types in the

doc_requirements.txt

@@ -1,5 +1,5 @@
 # doxygen required, use apt-get or dnf
-sphinx==5.0.1
+sphinx>=4.5.0
 numpydoc==1.4
 pydata-sphinx-theme==0.9.0
 sphinx-panels

environment.yml

@@ -22,7 +22,7 @@ dependencies:
   - mypy=0.950
   - typing_extensions>=4.2.0
   # For building docs
-  - sphinx=5.0.1
+  - sphinx>=4.5.0
   - sphinx-panels
   - numpydoc=1.4.0
   - ipython