From 8d05ef51d11dcaa32dc37e38c563674f579bbc5b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Mancilla?= <smancill@smancill.dev>
Date: Mon, 15 Aug 2022 11:02:34 -0400
Subject: [PATCH] python310Packages.nbconvert: use mistune 2.x

mistune 0.8 was removed by #186272.
---
 .../python-modules/nbconvert/default.nix            | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pkgs/development/python-modules/nbconvert/default.nix b/pkgs/development/python-modules/nbconvert/default.nix
index 9b85586f7d9b..df01318a6ea1 100644
--- a/pkgs/development/python-modules/nbconvert/default.nix
+++ b/pkgs/development/python-modules/nbconvert/default.nix
@@ -3,6 +3,7 @@
 , buildPythonPackage
 , defusedxml
 , fetchPypi
+, fetchpatch
 , ipywidgets
 , jinja2
 , jupyterlab-pygments
@@ -30,10 +31,22 @@ buildPythonPackage rec {
   # various exporter templates
   patches = [
     ./templates.patch
+
+    # Use mistune 2.x
+    (fetchpatch {
+      name = "support-mistune-2.x.patch";
+      url = "https://github.com/jupyter/nbconvert/commit/e870d9a4a61432a65bee5466c5fa80c9ee28966e.patch";
+      hash = "sha256-kdOmE7BnkRy2lsNQ2OVrEXXZntJUPJ//b139kSsfKmI=";
+      excludes = [ "pyproject.toml" ];
+    })
   ];
 
   postPatch = ''
     substituteAllInPlace ./nbconvert/exporters/templateexporter.py
+
+    # Use mistune 2.x
+    substituteInPlace setup.py \
+        --replace "mistune>=0.8.1,<2" "mistune>=2.0.3,<3"
   '';
 
   propagatedBuildInputs = [