From 7f1a2f49ef77abdca2dd22c42a4fcfb8e6890a11 Mon Sep 17 00:00:00 2001
From: Jeremy Tuloup <jeremy.tuloup@gmail.com>
Date: Fri, 23 Jun 2023 12:35:10 +0200
Subject: [PATCH] Fix handling of the base url (#6943)

---
 notebook/app.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/notebook/app.py b/notebook/app.py
index 0ad92c664..97e0dc017 100644
--- a/notebook/app.py
+++ b/notebook/app.py
@@ -333,7 +333,7 @@ class JupyterNotebookApp(NotebookConfigShimMixin, LabServerApp):
             (
                 rf"/{self.file_url_prefix}/((?!.*\.ipynb($|\?)).*)",
                 web.RedirectHandler,
-                {"url": "/edit/{0}"},
+                {"url": ujoin(self.serverapp.base_url, "/edit/{0}")},
             )
         )
         self.handlers.append(("/?", RedirectHandler))