Add missing documentation requirements.

tshead2 · tshead2 · commit ea99c7cf20ba · 2023-04-26T15:43:38.000-06:00
diff --git a/docs/requirements.txt b/docs/requirements.txt
@@ -1,2 +1,9 @@
-nbsphinx>=0.8.6
+custom_inherit
+ipython
+multipledispatch
+nbsphinx
+numpy
+pypng
+reportlab
+sphinx >= 3.5
 sphinx_rtd_theme
