Traceback (most recent call last):


 "/content/mmfashion/mmdetection/tools/demo.py", line 3, in <module>

from mmdet.apis import inference_detector, init_detector, show_result


 "/usr/local/lib/python3.6/dist-packages/mmdet/apis/__init__.py", line 1, in <module>

from .inference import (async_inference_detector, inference_detector,


 "/usr/local/lib/python3.6/dist-packages/mmdet/apis/inference.py", line 7, in <module>

from mmcv.ops import RoIPool


 "/usr/local/lib/python3.6/dist-packages/mmcv/ops/__init__.py", line 1, in <module>

from .bbox import bbox_overlaps


 "/usr/local/lib/python3.6/dist-packages/mmcv/ops/bbox.py", line 3, in <module>

ext_module = ext_loader.load_ext('_ext', ['bbox_overlaps'])


 "/usr/local/lib/python3.6/dist-packages/mmcv/utils/ext_loader.py", line 11, in load_ext

ext = importlib.import_module('mmcv.' + name)


 "/usr/lib/python3.6/importlib/__init__.py", line 126, in import_module

return _bootstrap._gcd_import(name[level:], package, level)
ImportError: /usr/local/lib/python3.6/dist-packages/mmcv/_ext.cpython-36m-x86_64-linux-gnu.so: undefined symbol: _ZN6caffe28TypeMeta21_typeMetaDataInstanceISt7complexIdEEEPKNS_6detail12TypeMetaDataEv

Traceback (most recent call last):


 "chat.py", line 1, in <module>

from chat import server


 "/home/medical/Users/Wangyue/chat/chat/server.py", line 12, in <module>

from .graph import Database


 "/home/medical/Users/Wangyue/chat/chat/graph.py", line 9, in <module>

from py2neo import Graph, Node, Relationship, NodeSelector
ImportError: cannot import name 'NodeSelector'
