Revert changes

Author: Chris Ballinger

appstoreserverlibrary/models/LibraryUtility.py

@@ -4,7 +4,6 @@
 from functools import lru_cache
 from typing import Any, List, Type, TypeVar
 
-import attr
 from attr import Attribute, has, ib, fields
 from cattr import override
 from cattrs.gen import make_dict_structure_fn, make_dict_unstructure_fn, override
@@ -69,5 +68,4 @@ def _get_cattrs_converter(destination_class: Type[T]) -> cattrs.Converter:
                 cattrs_overrides[raw_field] = override(rename=matching_name)
     c.register_structure_hook_factory(has, lambda cl: make_dict_structure_fn(cl, c, **cattrs_overrides))
     c.register_unstructure_hook_factory(has, lambda cl: make_dict_unstructure_fn(cl, c, **cattrs_overrides))
-    return c
-
+    return c