fix: compatibility with pydantic 2.12

Author: azmeuk

.pre-commit-config.yaml

@@ -3,7 +3,7 @@ repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: 'v0.12.10'
     hooks:
-      - id: ruff
+      - id: ruff-check
         args: [--fix, --exit-non-zero-on-fix]
       - id: ruff-format
   - repo: https://github.com/pre-commit/pre-commit-hooks

doc/changelog.rst

@@ -1,6 +1,13 @@
 Changelog
 =========
 
+[0.2.4] - Unreleased
+--------------------
+
+Fixed
+^^^^^
+- Compatibility with Pydantic 2.12.
+
 [0.2.3] - 2025-08-22
 --------------------
 

scim2_tester/urns.py

@@ -37,9 +37,9 @@ def iter_urns(
 
         field_type = model.get_field_root_type(field_name)
 
-        if issubclass(field_type, Extension):
+        if isclass(field_type) and issubclass(field_type, Extension):
             urn = field_type.model_fields["schemas"].default[0]
-        elif issubclass(model, Extension):
+        elif isclass(model) and issubclass(model, Extension):
             urn = model().get_attribute_urn(field_name)
         else:
             urn = _to_camel(field_name)