Traceback (most recent call last):


 "D:/CodeViewing/awesome-semantic-segmentation-pytorch-master/core/data/downloader/ade20k.py", line 12, in <module>

from core.utils import download, makedirs


 "D:\CodeViewing\awesome-semantic-segmentation-pytorch-master\core\__init__.py", line 1, in <module>

from . import nn, models, utils, data


 "D:\CodeViewing\awesome-semantic-segmentation-pytorch-master\core\nn\__init__.py", line 4, in <module>

from .ca_block import *


 "D:\CodeViewing\awesome-semantic-segmentation-pytorch-master\core\nn\ca_block.py", line 6, in <module>

from core.nn import _C
ImportError: cannot import name '_C'
Traceback (most recent call last):


 "main.py", line 10, in <module>

from baselines.common.mpi_fork import mpi_fork
ImportError: No module named mpi_fork
