From 96ff90220a04e30d0c31a31a05eb41ac2da9dd0b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=A1clav=20Pavl=C3=ADn?= <vaclav.pavlin@gmail.com>
Date: Tue, 24 Aug 2021 18:12:26 +0200
Subject: [PATCH] Set notebook namespace to None if empty

---
 .jupyter/jupyterhub_config.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.jupyter/jupyterhub_config.py b/.jupyter/jupyterhub_config.py
index 5d885d7..8f44cf2 100644
--- a/.jupyter/jupyterhub_config.py
+++ b/.jupyter/jupyterhub_config.py
@@ -10,6 +10,8 @@
 c.JupyterHub.cleanup_servers = False
 
 custom_notebook_namespace = os.environ.get('NOTEBOOK_NAMESPACE')
+if not custom_notebook_namespace:
+    custom_notebook_namespace = None;
 
 import uuid
 jsp_api_dict = {