表现
pip3 list报错:
➜ ~ pip3 list
/usr/local/bin/pip3:6: UserWarning: Unbuilt egg for Unknown [unknown version] (/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages)
from pkg_resources import load_entry_point
Exception:
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/pkg_resources/__init__.py", line 2562, in version
return self._version
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/pkg_resources/__init__.py", line 2669, in __getattr__
raise AttributeError(attr)
AttributeError: _version
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip-10.0.1-