python3Packages.draccus: fix build with python 3.14

2026-05-17 20:12:50 +07:00
parent a049850e8e
commit 5d8782b399
1 changed files with 7 additions and 0 deletions
@@ -39,6 +39,13 @@ buildPythonPackage rec {
    })
  ];

+  # Pass non-callable type= (typing.Union, X | Y) through argparse.
+  postPatch = ''
+    substituteInPlace draccus/wrappers/field_wrapper.py \
+      --replace-fail '_arg_options["type"] = tpe' \
+                     '_arg_options["type"] = tpe if callable(tpe) else str'
+  '';
+
  build-system = [
    setuptools
  ];