From b7417bf15777a789b8af576c4cc9f3591142b43e Mon Sep 17 00:00:00 2001
From: Christopher Barber <christopher.barber@analog.com>
Date: Mon, 22 Apr 2024 11:01:25 -0400
Subject: [PATCH] Conditionalize kw_only dataclass arg by python version

---
 src/whl2conda/settings.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/whl2conda/settings.py b/src/whl2conda/settings.py
index 0aad5b2..a8d226f 100644
--- a/src/whl2conda/settings.py
+++ b/src/whl2conda/settings.py
@@ -22,6 +22,7 @@
 import dataclasses
 import datetime as dt
 import json
+import sys
 from pathlib import Path
 from typing import Any, Callable, ClassVar, NamedTuple, Union
 
@@ -121,7 +122,14 @@ def _fromidentifier(name: str) -> str:
     return name.replace("_", "-")
 
 
-@dataclasses.dataclass(kw_only=True)
+if sys.version_info >= (3, 10):
+    # kw_only is not available until 3.10
+    dataclass_args = dict(kw_only=True)
+else:
+    dataclass_args = {}
+
+
+@dataclasses.dataclass(**dataclass_args)
 class Whl2CondaSettings:
     """
     User settings for whl2conda.