From 0c7d7ba3b6b05d14cade2b76525a525e559f7fcc Mon Sep 17 00:00:00 2001
From: Alex Rudy <alex.rudy@gmail.com>
Date: Mon, 13 May 2019 16:16:13 -0700
Subject: [PATCH] Use nbformat to set up notebook cells

---
 nbconvert/preprocessors/tests/test_execute.py | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/nbconvert/preprocessors/tests/test_execute.py b/nbconvert/preprocessors/tests/test_execute.py
index c9aa20b4f..0229aa52e 100644
--- a/nbconvert/preprocessors/tests/test_execute.py
+++ b/nbconvert/preprocessors/tests/test_execute.py
@@ -265,16 +265,7 @@ def label_parallel_notebook(nb, label):
     
     Used for parallel testing to label two notebooks which are run simultaneously.
     """
-    label_cell = nbformat.NotebookNode(
-        {
-            "cell_type": "code",
-            "execution_count": None,
-            "metadata": {},
-            "outputs": [],
-            "source": "this_notebook = '{}'".format(label),
-        }
-    )
-
+    label_cell = nbformat.v4.new_code_cell(source="this_notebook = '{}'".format(label))
     nb.cells.insert(1, label_cell)
     return nb