From 9ce902d82c946593bb6b32cd1029e50351d8a95d Mon Sep 17 00:00:00 2001
From: Artur Glavic <artur.glavic@psi.ch>
Date: Mon, 6 Oct 2025 16:36:26 +0200
Subject: [PATCH] Allow StrEnum from backports for python <3.11

---
 .github/workflows/unit_tests.yml | 5 +++++
 eos/options.py                   | 6 +++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index be278bc..c6ffe74 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -36,6 +36,11 @@ jobs:
         run: |
           pip install backports.zoneinfo
 
+      - name: Backport StrEnum
+        if: matrix.python-version < '3.11'
+        run: |
+          pip install backports.strenum
+
       - name: Test with pytest
         run: |
           python -m pytest tests
diff --git a/eos/options.py b/eos/options.py
index 3975994..0c217ed 100644
--- a/eos/options.py
+++ b/eos/options.py
@@ -3,7 +3,6 @@ Classes for stroing various configurations needed for reduction.
 """
 import argparse
 from dataclasses import dataclass, field, Field, fields, MISSING
-from enum import StrEnum
 from typing import get_args, get_origin, List, Optional, Tuple, Union
 from datetime import datetime
 from os import path
@@ -11,6 +10,11 @@ import numpy as np
 
 import logging
 
+try:
+    from enum import StrEnum
+except ImportError:
+    from backports.strenum import StrEnum
+
 @dataclass
 class CommandlineParameterConfig:
     argument: str # default parameter for command line resutign ins "--argument"