From d4d93d6447c1103d052470b3fdba67c79b6568f3 Mon Sep 17 00:00:00 2001
From: patrick <61934744+phofl@users.noreply.github.com>
Date: Thu, 14 Jan 2021 23:27:57 +0100
Subject: [PATCH] Backport PR #39177: CI: Pin nbformat to 5.0.8

---
 environment.yml      | 2 +-
 requirements-dev.txt | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/environment.yml b/environment.yml
index b99b856187fb6..6f3f81d8a4d77 100644
--- a/environment.yml
+++ b/environment.yml
@@ -68,7 +68,7 @@ dependencies:
 
   # unused (required indirectly may be?)
   - ipywidgets
-  - nbformat
+  - nbformat=5.0.8
   - notebook>=5.7.5
   - pip
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 17ca6b8401501..f0d65104ead8e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -42,7 +42,7 @@ pytest-instafail
 seaborn
 statsmodels
 ipywidgets
-nbformat
+nbformat==5.0.8
 notebook>=5.7.5
 pip
 blosc