fix #173 and https://github.com/uriyyo/fastapi-pagination/issues/73

ormar/models/newbasemodel.py

@@ -697,7 +697,7 @@ class NewBaseModel(pydantic.BaseModel, ModelTableProxy, metaclass=ModelMetaclass
             if relation_map is not None
             else translate_list_to_dict(self._iterate_related_models())
         )
-        pk_only = object.__getattribute__(self, "__pk_only__")
+        pk_only = getattr(self, "__pk_only__", False)
         if relation_map and not pk_only:
             dict_instance = self._extract_nested_models(
                 relation_map=relation_map,

ormar/models/quick_access_views.py

@@ -12,6 +12,7 @@ quick_access_set = {
     "__fields__",
     "__fields_set__",
     "__json_encoder__",
+    "__pk_only__",
     "__post_root_validators__",
     "__pre_root_validators__",
     "__private_attributes__",