Remove null coercion; only handle undefined custom_attributes

custom_attributes is never null from the API, only undefined. Remove
the field_validator and null test, keep only the default and the
missing-field test.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: mattgd

src/workos/types/user_management/organization_membership.py

@@ -1,6 +1,5 @@
 from typing import Any, Literal, Mapping, Optional, Sequence
 
-from pydantic import field_validator
 from typing_extensions import TypedDict
 
 from workos.types.workos_model import WorkOSModel
@@ -26,10 +25,3 @@ class OrganizationMembership(WorkOSModel):
     custom_attributes: Mapping[str, Any] = {}
     created_at: str
     updated_at: str
-
-    @field_validator("custom_attributes", mode="before")
-    @classmethod
-    def _coerce_null_custom_attributes(cls, v: Any) -> Any:
-        if v is None:
-            return {}
-        return v

tests/test_events.py

@@ -21,34 +21,6 @@ def mock_events(self):
             },
         }
 
-    @pytest.fixture
-    def mock_organization_membership_event_with_null_custom_attributes(self):
-        return {
-            "object": "list",
-            "data": [
-                {
-                    "object": "event",
-                    "id": "event_01234",
-                    "event": "organization_membership.created",
-                    "data": {
-                        "object": "organization_membership",
-                        "id": "om_01234",
-                        "user_id": "user_01234",
-                        "organization_id": "org_01234",
-                        "role": {"slug": "member"},
-                        "status": "active",
-                        "custom_attributes": None,
-                        "created_at": "2024-01-01T00:00:00.000Z",
-                        "updated_at": "2024-01-01T00:00:00.000Z",
-                    },
-                    "created_at": "2024-01-01T00:00:00.000Z",
-                }
-            ],
-            "list_metadata": {
-                "after": None,
-            },
-        }
-
     def test_list_events(
         self,
         module_instance: Union[Events, AsyncEvents],
@@ -70,16 +42,40 @@ def test_list_events(
         assert request_kwargs["params"] == {"events": ["dsync.activated"], "limit": 10}
         assert events.dict() == mock_events
 
-    def test_list_events_organization_membership_null_custom_attributes(
+    def test_list_events_organization_membership_missing_custom_attributes(
         self,
         module_instance: Union[Events, AsyncEvents],
-        mock_organization_membership_event_with_null_custom_attributes,
         capture_and_mock_http_client_request,
     ):
+        mock_response = {
+            "object": "list",
+            "data": [
+                {
+                    "object": "event",
+                    "id": "event_01234",
+                    "event": "organization_membership.created",
+                    "data": {
+                        "object": "organization_membership",
+                        "id": "om_01234",
+                        "user_id": "user_01234",
+                        "organization_id": "org_01234",
+                        "role": {"slug": "member"},
+                        "status": "active",
+                        "created_at": "2024-01-01T00:00:00.000Z",
+                        "updated_at": "2024-01-01T00:00:00.000Z",
+                    },
+                    "created_at": "2024-01-01T00:00:00.000Z",
+                }
+            ],
+            "list_metadata": {
+                "after": None,
+            },
+        }
+
         capture_and_mock_http_client_request(
             http_client=module_instance._http_client,
             status_code=200,
-            response_dict=mock_organization_membership_event_with_null_custom_attributes,
+            response_dict=mock_response,
         )
 
         events: EventsListResource = syncify(