From 3e12ff73c17ffcfe6bfa82f484b57f7543a55368 Mon Sep 17 00:00:00 2001
From: keewis <keewis@users.noreply.github.com>
Date: Fri, 14 May 2021 03:04:21 +0200
Subject: [PATCH] pin jinja2 (#5303)

---
 ci/requirements/doc.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ci/requirements/doc.yml b/ci/requirements/doc.yml
index a73c6679322..c63dab99ba6 100644
--- a/ci/requirements/doc.yml
+++ b/ci/requirements/doc.yml
@@ -13,6 +13,7 @@ dependencies:
   - ipykernel
   - ipython
   - iris>=2.3
+  - jinja2<3.0  # jinja=3.0 is incompatible with nbsphinx
   - jupyter_client
   - matplotlib-base
   - nbsphinx