天池龙珠计划深度学习训练营学习笔记

源码bug

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ImportError                               Traceback (most recent call last)

<ipython-input-9-f119e1dec8f0> in <module>

     7 from torch.optim import lr_scheduler

     8 from torch.autograd import Variable

----> 9 import torchvision

    10 from torchvision import datasets, models, transforms

    11 import time

/opt/conda/lib/python3.6/site-packages/torchvision/__init__.py in <module>

----> 1 from torchvision import models

     2 from torchvision import datasets

     3 from torchvision import ops

     4 from torchvision import transforms

     5 from torchvision import utils

/opt/conda/lib/python3.6/site-packages/torchvision/models/__init__.py in <module>

     9 from .shufflenetv2 import *

    10 from . import segmentation

---> 11 from . import detection

/opt/conda/lib/python3.6/site-packages/torchvision/models/detection/__init__.py in <module>

----> 1 from .faster_rcnn import *

     2 from .mask_rcnn import *

     3 from .keypoint_rcnn import *

/opt/conda/lib/python3.6/site-packages/torchvision/models/detection/faster_rcnn.py in <module>

     5 import torch.nn.functional as F

     6

----> 7 from torchvision.ops import misc as misc_nn_ops

     8 from torchvision.ops import MultiScaleRoIAlign

     9

/opt/conda/lib/python3.6/site-packages/torchvision/ops/__init__.py in <module>

----> 1 from .boxes import nms, box_iou

     2 from .roi_align import roi_align, RoIAlign

     3 from .roi_pool import roi_pool, RoIPool

     4 from .poolers import MultiScaleRoIAlign

     5 from .feature_pyramid_network import FeaturePyramidNetwork

/opt/conda/lib/python3.6/site-packages/torchvision/ops/boxes.py in <module>

     1 import torch

----> 2 from torchvision import _C

     3

     4

     5 def nms(boxes, scores, iou_threshold):

ImportError: /opt/conda/lib/python3.6/site-packages/torchvision/_C.cpython-36m-x86_64-linux-gnu.so: undefined symbol: _ZN6caffe26detail36_typeMetaDataInstance_preallocated_7E