ImportError:No module named builtins

  File "darknet2caffe.py", line 10, in <module>
    from cfg import *
  File "/home/admin1/darknet2caffe-master/cfg.py", line 1, in <module>
    import torch
  File "/home/admin1/.local/lib/python2.7/site-packages/torch/__init__.py", line 19, in <module>
    from ._six import string_classes as _string_classes
  File "/home/admin1/.local/lib/python2.7/site-packages/torch/_six.py", line 23, in <module>
    import builtins
ImportError: No module named builtins

解决方法：安装future

pip install future