From dbeb74b37d08b7c9dd4846594b4e5d3e99c4c2ae Mon Sep 17 00:00:00 2001
From: federico Tartarini <federicotartarini@gmail.com>
Date: Thu, 14 Mar 2024 14:17:59 +1030
Subject: [PATCH] fix: fixing error with tox version

---
 pythermalcomfort/models/pmv_ppd.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pythermalcomfort/models/pmv_ppd.py b/pythermalcomfort/models/pmv_ppd.py
index dd029f2..15a1b0f 100644
--- a/pythermalcomfort/models/pmv_ppd.py
+++ b/pythermalcomfort/models/pmv_ppd.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from typing import Union, List
 
 import numpy as np