add missing resources from alembic doc build

Change-Id: I0f1c3a67edf35ab9ea2b0ac0689f68e8b4dee99d
Fixes: #907

diff --git a/docs/build/requirements.txt b/docs/build/requirements.txt
index 7fc19a103de6557f75299c890a05500665c7e45a..81db1119f06933ee70d263ab31eb76bdef5a3098 100644 (file)
--- a/docs/build/requirements.txt
+++ b/docs/build/requirements.txt
@@ -4,3 +4,5 @@ git+https://github.com/sqlalchemy/sqlalchemy.git
 python-dateutil
 # because there's a dependency in pyfiles.py
 Mako
+importlib-metadata;python_version<"3.8"
+importlib-resources;python_version<"3.9"
\ No newline at end of file