3.9 compatibility

NNPDF · Mar 1, 2024 · 1a8bf48 · 1a8bf48
1 parent c5e6fcd
commit 1a8bf48
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/validphys2/src/validphys/process_options.py b/validphys2/src/validphys/process_options.py
@@ -4,7 +4,7 @@
     Only variables included in the `_Vars` enum and processes included in the ``Processes`` dictionary are allowed.
 """
 import dataclasses
-from typing import Callable, Optional, Tuple
+from typing import Callable, Optional, Tuple, Union
 
 import numpy as np
 from validobj.custom import Parser
@@ -254,5 +254,5 @@ def _displusjet_xq2map(kin_dict):
 
 
 @Parser
-def ValidProcess(process_name) -> _Process | str:
+def ValidProcess(process_name) -> Union[_Process, str]:
     return PROCESSES.get(process_name.upper(), process_name.upper())