PROTON-2157: Fix for math formula error when building docs on F29
diff --git a/python/docs/conf.py b/python/docs/conf.py
index edd613e..3f95201 100644
--- a/python/docs/conf.py
+++ b/python/docs/conf.py
@@ -54,6 +54,7 @@
     'sphinx_automodapi.automodapi', # needed for the module summaries (.. autosummary::)
     'sphinx.ext.autodoc',
     'sphinx.ext.viewcode',
+    'sphinx.ext.mathjax', # needed for math formulas on some versions of Sphinx
 ]
 
 # Add any paths that contain templates here, relative to this directory.