try fixing the read-the-docs build

.readthedocs.yml

@@ -5,24 +5,27 @@
 # Required
 version: 2
 
-# Make sure that dependencies are install with pip instead of setup.py
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.10"
+
+# Make sure that dependencies are installed with pip instead of setup.py
 python:
-  version: 3.7
   install:
+    - requirements: docs/preinstall_requirements.txt
     - requirements: docs/requirements.txt
-    - requirements: requirements.txt
+    #- requirements: requirements.txt
     - method: pip
       path: .
-  system_packages: true
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
+  builder: html
   configuration: docs/conf.py
 
-# Build documentation with MkDocs
-#mkdocs:
-#  configuration: mkdocs.yml
-
 # Optionally build your docs in additional formats such as PDF
 #formats:
 #  - pdf
+

docs/preinstall_requirements.txt

@@ -0,0 +1,5 @@
+###### Requirements without Version Specifiers ######
+# For some odd reason, readthedocs uses a really old version of setuptools
+# Note: as of v58.0.0 the `2to3` option for setup() is gone which breaks
+# ALL installs of sphinx-bootstrap-theme
+setuptools==57.5.0