From 3d78598b02f4427f1adb7153ba3af10c0efcc410 Mon Sep 17 00:00:00 2001
From: Joris Vaillant <joris.vaillant@inria.fr>
Date: Tue, 7 Jan 2025 14:37:27 +0100
Subject: [PATCH] python: Make type alias working in python 3.8

---
 bindings/python/pinocchio/visualize/meshcat_visualizer.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/bindings/python/pinocchio/visualize/meshcat_visualizer.py b/bindings/python/pinocchio/visualize/meshcat_visualizer.py
index 7bb60afa5b..8fb6b2eb6e 100644
--- a/bindings/python/pinocchio/visualize/meshcat_visualizer.py
+++ b/bindings/python/pinocchio/visualize/meshcat_visualizer.py
@@ -3,7 +3,7 @@
 
 import warnings
 from pathlib import Path
-from typing import ClassVar
+from typing import ClassVar, TypeAlias
 
 import numpy as np
 
@@ -24,9 +24,10 @@
 
 # DaeMeshGeometry
 import xml.etree.ElementTree as Et
-from typing import Any, Optional, Union
+from typing import Any, Union
 
-MsgType = dict[str, Union[str, bytes, bool, float, "MsgType"]]
+#TODO: Remove quote when 20.04 is not supported
+MsgType: TypeAlias = "dict[str, Union[str, bytes, bool, float, 'MsgType']]"
 
 try:
     import hppfcl