Back out "[codemod][usort] apply import merging for fbcode/pytorch/vision/torchvision (1 of 1)"

Summary:
Original commit changeset: 62e5f0101071

Original Phabricator Diff: D35552969

(Note: this ignores all push blocking failures!)

Reviewed By: datumbox, jdsgomes

Differential Revision: D35811608

fbshipit-source-id: 938ce9032ccca7a88bad762a4102016f8e71aef4

Author: NicolasHug

torchvision/models/detection/_utils.py

@@ -3,7 +3,7 @@
 from typing import List, Tuple
 
 import torch
-from torch import nn, Tensor
+from torch import Tensor, nn
 from torchvision.ops.misc import FrozenBatchNorm2d
 
 

torchvision/models/detection/backbone_utils.py

@@ -3,15 +3,11 @@
 
 from torch import nn, Tensor
 from torchvision.ops import misc as misc_nn_ops
-from torchvision.ops.feature_pyramid_network import (
-    ExtraFPNBlock,
-    FeaturePyramidNetwork,
-    LastLevelMaxPool,
-)
+from torchvision.ops.feature_pyramid_network import ExtraFPNBlock, FeaturePyramidNetwork, LastLevelMaxPool
 
 from .. import mobilenet, resnet
-from .._api import get_enum_from_fn, WeightsEnum
-from .._utils import handle_legacy_interface, IntermediateLayerGetter
+from .._api import WeightsEnum, get_enum_from_fn
+from .._utils import IntermediateLayerGetter, handle_legacy_interface
 
 
 class BackboneWithFPN(nn.Module):

torchvision/models/detection/faster_rcnn.py

@@ -6,22 +6,18 @@
 from torchvision.ops import MultiScaleRoIAlign
 
 from ...ops import misc as misc_nn_ops
-from ...transforms._presets import InterpolationMode, ObjectDetection
-from .._api import Weights, WeightsEnum
+from ...transforms._presets import ObjectDetection, InterpolationMode
+from .._api import WeightsEnum, Weights
 from .._meta import _COCO_CATEGORIES
-from .._utils import _ovewrite_value_param, handle_legacy_interface
-from ..mobilenetv3 import mobilenet_v3_large, MobileNet_V3_Large_Weights
-from ..resnet import resnet50, ResNet50_Weights
+from .._utils import handle_legacy_interface, _ovewrite_value_param
+from ..mobilenetv3 import MobileNet_V3_Large_Weights, mobilenet_v3_large
+from ..resnet import ResNet50_Weights, resnet50
 from ._utils import overwrite_eps
 from .anchor_utils import AnchorGenerator
-from .backbone_utils import (
-    _mobilenet_extractor,
-    _resnet_fpn_extractor,
-    _validate_trainable_layers,
-)
+from .backbone_utils import _resnet_fpn_extractor, _validate_trainable_layers, _mobilenet_extractor
 from .generalized_rcnn import GeneralizedRCNN
 from .roi_heads import RoIHeads
-from .rpn import RegionProposalNetwork, RPNHead
+from .rpn import RPNHead, RegionProposalNetwork
 from .transform import GeneralizedRCNNTransform
 
 

torchvision/models/detection/fcos.py

@@ -2,24 +2,21 @@
 import warnings
 from collections import OrderedDict
 from functools import partial
-from typing import Any, Callable, Dict, List, Optional, Tuple
+from typing import Any, Callable, Dict, List, Tuple, Optional
 
 import torch
 from torch import nn, Tensor
 
-from ...ops import (
-    boxes as box_ops,
-    generalized_box_iou_loss,
-    misc as misc_nn_ops,
-    sigmoid_focal_loss,
-)
+from ...ops import sigmoid_focal_loss, generalized_box_iou_loss
+from ...ops import boxes as box_ops
+from ...ops import misc as misc_nn_ops
 from ...ops.feature_pyramid_network import LastLevelP6P7
-from ...transforms._presets import InterpolationMode, ObjectDetection
+from ...transforms._presets import ObjectDetection, InterpolationMode
 from ...utils import _log_api_usage_once
-from .._api import Weights, WeightsEnum
+from .._api import WeightsEnum, Weights
 from .._meta import _COCO_CATEGORIES
-from .._utils import _ovewrite_value_param, handle_legacy_interface
-from ..resnet import resnet50, ResNet50_Weights
+from .._utils import handle_legacy_interface, _ovewrite_value_param
+from ..resnet import ResNet50_Weights, resnet50
 from . import _utils as det_utils
 from .anchor_utils import AnchorGenerator
 from .backbone_utils import _resnet_fpn_extractor, _validate_trainable_layers

torchvision/models/detection/generalized_rcnn.py

@@ -4,7 +4,7 @@
 
 import warnings
 from collections import OrderedDict
-from typing import Dict, List, Optional, Tuple, Union
+from typing import Tuple, List, Dict, Optional, Union
 
 import torch
 from torch import nn, Tensor

torchvision/models/detection/keypoint_rcnn.py

@@ -5,11 +5,11 @@
 from torchvision.ops import MultiScaleRoIAlign
 
 from ...ops import misc as misc_nn_ops
-from ...transforms._presets import InterpolationMode, ObjectDetection
-from .._api import Weights, WeightsEnum
+from ...transforms._presets import ObjectDetection, InterpolationMode
+from .._api import WeightsEnum, Weights
 from .._meta import _COCO_PERSON_CATEGORIES, _COCO_PERSON_KEYPOINT_NAMES
-from .._utils import _ovewrite_value_param, handle_legacy_interface
-from ..resnet import resnet50, ResNet50_Weights
+from .._utils import handle_legacy_interface, _ovewrite_value_param
+from ..resnet import ResNet50_Weights, resnet50
 from ._utils import overwrite_eps
 from .backbone_utils import _resnet_fpn_extractor, _validate_trainable_layers
 from .faster_rcnn import FasterRCNN

torchvision/models/detection/mask_rcnn.py

@@ -5,11 +5,11 @@
 from torchvision.ops import MultiScaleRoIAlign
 
 from ...ops import misc as misc_nn_ops
-from ...transforms._presets import InterpolationMode, ObjectDetection
-from .._api import Weights, WeightsEnum
+from ...transforms._presets import ObjectDetection, InterpolationMode
+from .._api import WeightsEnum, Weights
 from .._meta import _COCO_CATEGORIES
-from .._utils import _ovewrite_value_param, handle_legacy_interface
-from ..resnet import resnet50, ResNet50_Weights
+from .._utils import handle_legacy_interface, _ovewrite_value_param
+from ..resnet import ResNet50_Weights, resnet50
 from ._utils import overwrite_eps
 from .backbone_utils import _resnet_fpn_extractor, _validate_trainable_layers
 from .faster_rcnn import FasterRCNN

torchvision/models/detection/retinanet.py

@@ -1,19 +1,21 @@
 import math
 import warnings
 from collections import OrderedDict
-from typing import Any, Dict, List, Optional, Tuple
+from typing import Any, Dict, List, Tuple, Optional
 
 import torch
 from torch import nn, Tensor
 
-from ...ops import boxes as box_ops, misc as misc_nn_ops, sigmoid_focal_loss
+from ...ops import sigmoid_focal_loss
+from ...ops import boxes as box_ops
+from ...ops import misc as misc_nn_ops
 from ...ops.feature_pyramid_network import LastLevelP6P7
-from ...transforms._presets import InterpolationMode, ObjectDetection
+from ...transforms._presets import ObjectDetection, InterpolationMode
 from ...utils import _log_api_usage_once
-from .._api import Weights, WeightsEnum
+from .._api import WeightsEnum, Weights
 from .._meta import _COCO_CATEGORIES
-from .._utils import _ovewrite_value_param, handle_legacy_interface
-from ..resnet import resnet50, ResNet50_Weights
+from .._utils import handle_legacy_interface, _ovewrite_value_param
+from ..resnet import ResNet50_Weights, resnet50
 from . import _utils as det_utils
 from ._utils import overwrite_eps
 from .anchor_utils import AnchorGenerator

torchvision/models/detection/roi_heads.py

@@ -1,4 +1,4 @@
-from typing import Dict, List, Optional, Tuple
+from typing import Optional, List, Dict, Tuple
 
 import torch
 import torch.nn.functional as F

torchvision/models/detection/rpn.py

@@ -1,4 +1,4 @@
-from typing import Dict, List, Optional, Tuple
+from typing import List, Optional, Dict, Tuple
 
 import torch
 from torch import nn, Tensor