diff --git a/invokeai/backend/util/__init__.py b/invokeai/backend/util/__init__.py
index fc7b841a67..501c8a5641 100644
--- a/invokeai/backend/util/__init__.py
+++ b/invokeai/backend/util/__init__.py
@@ -11,11 +11,11 @@ from .devices import (  # noqa: F401
     torch_dtype,
 )
 from .log import write_log  # noqa: F401
-from .util import (
+from .util import ( # noqa: F401
     ask_user,
     download_with_resume,
     instantiate_from_config,
     url_attachment_name,
     Chdir,
 )
-from .attention import auto_detect_slice_size
+from .attention import auto_detect_slice_size # noqa: F401