From 0dff45c43b143ac7d80e548eea1aa8e22aa66d0d Mon Sep 17 00:00:00 2001
From: MilesCranmer <miles.cranmer@gmail.com>
Date: Thu, 28 Nov 2024 13:46:58 +0000
Subject: [PATCH] deps: add back typing-extensions

---
 pysr/expression_specs.py | 2 +-
 requirements.txt         | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/pysr/expression_specs.py b/pysr/expression_specs.py
index a4c77189..858bcf73 100644
--- a/pysr/expression_specs.py
+++ b/pysr/expression_specs.py
@@ -5,7 +5,7 @@
 try:
     from typing import TypeAlias
 except ImportError:
-    TypeAlias = NewType("TypeAlias", Any)
+    from typing_extensions import TypeAlias
 
 import numpy as np
 import pandas as pd
diff --git a/requirements.txt b/requirements.txt
index aa92aaf1..96f4ed9a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,4 @@ scikit_learn>=1.0.0,<2.0.0
 juliacall==0.9.23
 click>=7.0.0,<9.0.0
 setuptools>=50.0.0
+typing-extensions>=4.0.0,<5.0.0