adding back Sphinx

choldgraf · choldgraf · commit e59d00d2134f · 2020-10-12T16:05:06.000-07:00
diff --git a/doc/doc-requirements.txt b/doc/doc-requirements.txt
@@ -5,6 +5,7 @@ traitlets
 pandas
 ruamel.yaml
 pydata_sphinx_theme
+sphinx>=1.7
 # install BinderHub dependencies. We manually list them here because some
 # dependencies (like pycurl) can't be installed on ReadTheDocs and aren't
 # needed to build the docs.
