From 42df0881baf0e7a388ecaec0bf4cc28ab758f01c Mon Sep 17 00:00:00 2001
From: Zsolt Dollenstein <zsol.zsol@gmail.com>
Date: Thu, 10 Oct 2024 11:20:25 +0100
Subject: [PATCH] Fix doc build error (#1221)

Apparently doc2path now returns a path not a string
---
 docs/source/conf.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/source/conf.py b/docs/source/conf.py
index c210fc1d8..d3311e90f 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -196,6 +196,7 @@
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = True
 
+
 # -- autodoc customization
 def strip_class_signature(app, what, name, obj, options, signature, return_annotation):
     if what == "class":
@@ -218,7 +219,7 @@ def setup(app):
 
 
 nbsphinx_prolog = r"""
-{% set docname = 'docs/source/' + env.doc2path(env.docname, base=None) %}
+{% set docname = 'docs/source/' + env.doc2path(env.docname, base=None)|string%}
 
 .. only:: html