bpo-45618: Fix documentation build by pinning Docutils version to 0.17.1 (GH-31476)

diff --git a/Doc/Makefile b/Doc/Makefile
index 8a5e03079925d7b811323f3c93b76ab7c49d9c80..1393bcb52500e460386f5ce5ec616be71472cac1 100644 (file)
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -127,7 +127,7 @@ clean:
 
 venv:
        $(PYTHON) -m venv $(VENVDIR)
-       $(VENVDIR)/bin/python3 -m pip install -U Sphinx==2.3.1 blurb
+       $(VENVDIR)/bin/python3 -m pip install -U Sphinx==2.3.1 blurb docutils==0.17.1
        @echo "The venv has been created in the $(VENVDIR) directory"
 
 dist: