ImportError: No module named '_ext'` #37

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1. yujiapingff commented on Dec 18, 2020

   

   yujiapingff

   on Dec 18, 2020

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   I have also got this problem, I make is with anaconda environment with python3.5 and python2.7, none of them working
2. sduzpp commented on Dec 6, 2021

   

   sduzpp

   on Dec 6, 2021

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   I complied mask-faster-rcnn with command as following and got succeeded：

   cd pyutils/mask-faster-rcnn/lib/
   make
   

   But I got some errors when I ran MAttNet project:

   Traceback (most recent call last):
     File "tools/extract_mrcn_head_feats.py", line 22, in <module>
       from mrcn import inference
     File "/home/lqz/data/refer_exp_com/MAttNet/tools/../lib/mrcn/inference.py", line 26, in <module>
       from nets.vgg16 import vgg16
     File "/home/lqz/data/refer_exp_com/MAttNet/tools/../pyutils/mask-faster-rcnn/lib/nets/vgg16.py", line 10, in <module>
       from nets.network import Network
     File "/home/lqz/data/refer_exp_com/MAttNet/tools/../pyutils/mask-faster-rcnn/lib/nets/network.py", line 21, in <module>
       from layer_utils.proposal_layer import proposal_layer
     File "/home/lqz/data/refer_exp_com/MAttNet/tools/../pyutils/mask-faster-rcnn/lib/layer_utils/proposal_layer.py", line 13, in <module>
       from model.nms_wrapper import nms
     File "/home/lqz/data/refer_exp_com/MAttNet/tools/../pyutils/mask-faster-rcnn/lib/model/nms_wrapper.py", line 11, in <module>
       from nms.pth_nms import pth_nms
     File "/home/lqz/data/refer_exp_com/MAttNet/tools/../pyutils/mask-faster-rcnn/lib/nms/pth_nms.py", line 2, in <module>
       from _ext import nms
   ImportError: No module named '_ext'
   

   Could anyone tell me how to resolve it? Thanks~

   @KennithLi 您好 请问这个问题解决了吗
3. sduzpp commented on Dec 6, 2021

   

   sduzpp

   on Dec 6, 2021

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   I have also got this problem, I make is with anaconda environment with python3.5 and python2.7, none of them working

   hello , have you solved the problem,please?
4. KennithLi commented on Dec 6, 2021

   

   KennithLi

   on Dec 6, 2021

   Author

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   I solved the problem by using a docker, which you can pull from the Nvidia website nvcr.io/nvidia/pytorch:18.05-py3.

   Commands

   # in the docker 
   apt-get update
   apt-get install libsm6 libxrender1 libglib2.0-dev libxext-dev
   cd /home/data/refer_exp_com/MAttNet
   
   cd pyutils/mask-faster-rcnn/lib/
   
   # using cuda-8.0
   export PATH=/usr/local/cuda-8.0/bin${PATH:+:${PATH}}
   export CPATH=/usr/local/cuda-8.0/include${CPATH:+:${CPATH}}
   export LD_LIBRARY_PATH=/usr/local/cuda-8.0/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
   
   make
   
5. FioPio commented on May 5, 2022

   

   FioPio

   on May 5, 2022

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   @KennithLi Could you share your docker file please? It would help me a lot!