Traceback (most recent call last):


 "/Users/misha/envs/dbi2/bin/xkcdpassword", line 7, in <module>

from xkcdpassword.xkcdpassword import main


 "/Users/misha/envs/dbi2/lib/python3.6/site-packages/xkcdpassword/xkcdpassword.py", line 5, in <module>

from itertools import izip_longest
ImportError: cannot import name 'izip_longest'

Traceback (most recent call last):


 "playground.py", line 174, in <module>

import MinkowskiEngine as ME


 "/home/xinghui/miniconda3/envs/mink/lib/python3.7/site-packages/MinkowskiEngine/__init__.py", line 53, in <module>

from MinkowskiEngineBackend._C import (
ImportError: /home/xinghui/miniconda3/envs/mink/lib/python3.7/site-packages/MinkowskiEngineBackend/_C.cpython-37m-x86_64-linux-gnu.so: undefined symbol: _ZN3c104impl23ExcludeDispatchKeyGuardC1ENS_11DispatchKeyE
