WIP Hiera implementation. Fix #2083. Trying to get image size adaptation to work.

Author: rwightman

timm/models/__init__.py

@@ -26,6 +26,7 @@
 from .ghostnet import *
 from .hardcorenas import *
 from .hgnet import *
+from .hiera import *
 from .hrnet import *
 from .inception_next import *
 from .inception_resnet_v2 import *