detectron/detectron2/modeling/backbone/__init__.py

# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved
from .build import build_backbone, BACKBONE_REGISTRY  # noqa F401 isort:skip

from .backbone import Backbone
from .fpn import FPN
from .resnet import ResNet, ResNetBlockBase, build_resnet_backbone, make_stage

# TODO can expose more resnet blocks after careful consideration