From cc5e67185e9f8a8f8d937f92d0a725aa4d0f7bd6 Mon Sep 17 00:00:00 2001
From: Nikita Kniazev <nok.raven@gmail.com>
Date: Tue, 7 Jan 2020 01:04:12 +0300
Subject: [PATCH] CI: Do not use nbformat 5.0.0/5.0.1 for testing

---
 requirements/testing/travis36.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/requirements/testing/travis36.txt b/requirements/testing/travis36.txt
index 6b961fb5a6e4..e3197a4d4ac4 100644
--- a/requirements/testing/travis36.txt
+++ b/requirements/testing/travis36.txt
@@ -2,5 +2,6 @@
 
 ipykernel
 nbconvert[execute]
+nbformat!=5.0.0,!=5.0.1
 pandas!=0.25.0
 pytz