Pin macOS installer Sphinx to v2.0.1 (GH-13774)

diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 60e28fee055d9ca99c528b076bf6ef56089e3889..2c606b9df6745292fe04f9615534ad4d1e3fe052 100755 (executable)
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -1058,6 +1058,7 @@ def buildPythonDocs():
     runCommand('make clean')
     # Create virtual environment for docs builds with blurb and sphinx
     runCommand('make venv')
+    runCommand('venv/bin/python3 -m pip install -U Sphinx==2.0.1')
     runCommand('make html PYTHON=venv/bin/python')
     os.chdir(curDir)
     if not os.path.exists(docdir):