python3Packages.gluonts: disable on python>=3.14

Tracking: https://github.com/NixOS/nixpkgs/issues/475732

pkgs/development/python-modules/gluonts/default.nix

@@ -4,6 +4,7 @@
   buildPythonPackage,
   fetchFromGitHub,
   fetchpatch,
+  pythonAtLeast,
 
   # build-system
   setuptools,
@@ -42,6 +43,9 @@ buildPythonPackage (finalAttrs: {
     hash = "sha256-h0+RYgGMz0gPchiKGIu0/NGcWBky5AWNTJKzoupn/iQ=";
   };
 
+  # pydantic.v1.errors.ConfigError: unable to infer type for attribute "target"
+  disabled = pythonAtLeast "3.14";
+
   patches = [
     # Fixes _pickle.UnpicklingError: Weights only load failed.
     # https://github.com/awslabs/gluonts/pull/3269