From 8056f6f47d87fdf098e4e0234f83cdcfdaa03aab Mon Sep 17 00:00:00 2001
From: Daniel Weindl <daniel.weindl@helmholtz-munich.de>
Date: Tue, 8 Oct 2024 09:47:15 +0200
Subject: [PATCH] Update sphinx config for sphinx8

Not a problem yet, but this change prevents issues once we upgrade to sphinx 8 and doc2path will return something path-like.

See https://github.com/ICB-DCM/pyPESTO/issues/1482
---
 documentation/conf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/documentation/conf.py b/documentation/conf.py
index 3f867e0a3a..c86a145f9d 100644
--- a/documentation/conf.py
+++ b/documentation/conf.py
@@ -215,7 +215,7 @@ def install_doxygen():
 nbsphinx_prolog = (
     f"{{% set {ref=} %}}"
     r"""
-    {% set docname = "documentation/" + env.doc2path(env.docname, base=False) %}
+    {% set docname = "documentation/" + env.doc2path(env.docname, base=False)|string %}
     .. raw:: html
 
         <div class="note">