Update Sphinx version for macOS installer build. (GH-24082) (GH-24087)

(cherry picked from commit 0f3b96b368dd7ebb5dcd3759a30322dbd027f292)

Co-authored-by: Ned Deily <nad@python.org>

diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 38c66801de885ac0ebbc1789b736af9297c6158c..cb3398964e0433d1e9b8fc29b7a059c4a9abcad0 100755 (executable)
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -1138,7 +1138,6 @@ def buildPythonDocs():
     if not os.path.exists(htmlDir):
         # Create virtual environment for docs builds with blurb and sphinx
         runCommand('make venv')
-        runCommand('venv/bin/python3 -m pip install -U Sphinx==2.3.1')
         runCommand('make html PYTHON=venv/bin/python')
     os.rename(htmlDir, docdir)
     os.chdir(curDir)