pipのエラーAttributeError: '_NamespacePath' object has no attribute 'sort'をなおした話Pythonpippip3 tk@tk-ThinkPad-E480:~$ pip list [193/193] Traceback (most recent call last): File "/home/tk/anaconda3/bin/pip", line 7, in <module> from pip import main File "/home/tk/anaconda3/lib/python3.5/site-packages/pip/__init__.py", line 43, in <module> from pip.utils import get_installed_distributions, get_prog File