fix events create (#2501)

care/utils/event_utils.py

@@ -24,24 +24,24 @@ def get_changed_fields(old: Model, new: Model) -> set[str]:
 def serialize_field(obj: Model, field_name: str):
  if "__" in field_name:
  field_name, sub_field = field_name.split("__", 1)
- related_object = getattr(obj, field_name, None)
- return serialize_field(related_object, sub_field)
+ related_obj = getattr(obj, field_name, None)
+ return serialize_field(related_obj, sub_field)
 
  value = None
  try:
- value = getattr(object, field_name)
+ value = getattr(obj, field_name)
  except AttributeError:
- if object is not None:
+ if obj is not None:
  logger.warning(
- "Field %s not found in %s", field_name, object.__class__.__name__
+ "Field %s not found in %s", field_name, obj.__class__.__name__
  )
  return None
 
  try:
  # serialize choice fields with display value
- field = object._meta.get_field(field_name) # noqa: SLF001
+ field = obj._meta.get_field(field_name) # noqa: SLF001
  if issubclass(field.__class__, Field) and field.choices:
- value = getattr(object, f"get_{field_name}_display", lambda: value)()
+ value = getattr(obj, f"get_{field_name}_display", lambda: value)()
  except FieldDoesNotExist:
  # the required field is a property and not a model field
  pass