freeze versions to avoid build error

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
-        python-verson: '3.9'
+        python-verson: '3.10'
     - name: Install prerequisites
       run: |
           sudo apt-get update -qq

releases/index.rst

@@ -100,7 +100,7 @@ Changes since 1.0
     * Open Volume Kernel Library
     * Open Image Denoise
     * OSPRay
-  
+
 * oneMKL:
 
   Introduces additional batched APIs for dense linear algebra. Sparse

requirements.txt

@@ -8,7 +8,7 @@
 breathe
 git+https://github.com/fsfe/reuse-tool.git
 pre-commit
-Sphinx
+Sphinx==4.2.0
 # waiting for pypi release for fix for parallel read
 git+https://github.com/readthedocs/sphinx-notfound-page.git
 # Waiting for release of: https://github.com/executablebooks/sphinx-book-theme/commit/0bdacc0a5e0a01ca5b4476651d1a80821b9b5d67

scripts/oneapi.py

@@ -104,9 +104,11 @@ def sphinx(root, target):
     if not cl_args.verbose:
         os.environ['LATEXMKOPTS'] = '--silent'
         os.environ['LATEXOPTS'] = '-interaction=nonstopmode -halt-on-error'
-    sphinx_args = '-N -j auto'
+    sphinx_args = '-N'
     if not cl_args.verbose:
         sphinx_args += ' -q'
+    if not cl_args.serial:
+        sphinx_args += ' -j auto'
     if cl_args.a:
         sphinx_args += ' -a'
     if cl_args.n:
@@ -299,6 +301,7 @@ def main():
     parser.add_argument('--branch')
     parser.add_argument('--verbose', action='store_true')
     parser.add_argument('--dry-run', action='store_true')
+    parser.add_argument('--serial', action='store_true')
     parser.add_argument('-W', action='store_true')
     parser.add_argument(
         '-a', action='store_true', help='sphinx -a (build all files)'