Merge pull request #9071 from ericholscher/pin-docutils

Pin Sphinx 3.x to docutils <0.17

Author: tk0miya

setup.py

@@ -23,7 +23,7 @@
     'sphinxcontrib-qthelp',
     'Jinja2>=2.3',
     'Pygments>=2.0',
-    'docutils>=0.12',
+    'docutils>=0.12,<0.17',
     'snowballstemmer>=1.1',
     'babel>=1.3',
     'alabaster>=0.7,<0.8',