Require an older version of the markdown Python module for building the documentation as the new 3.4 release broke the sphinx-markdown-tables extension (see https://github.com/ryanfox/sphinx-markdown-tables/issues/36).
Require an older version of the markdown Python module for building the documentation as the new 3.4 release broke the sphinx-markdown-tables extension (see https://github.com/ryanfox/sphinx-markdown-tables/issues/36).