pytorch报错ImportError: torch.utils.ffi requires the cffi package

Traceback (most recent call last):
File “setup.py”, line 7, in
from torch.utils.ffi import create_extension
File “/home/iot1/miniconda2/envs/mypytorch/lib/python2.7/site-packages/torch/utils/ffi/init.py”, line 14, in
raise ImportError(“torch.utils.ffi requires the cffi package”)

解决方案: pip install cffi

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