I changed from Win XP 32bit to Win7 64bit and reinstalled Python 2.7 and the Anaconda package.
However, it seems like it isn\'t properly installed. When I do
I ran into this issue with Python 3.6 and Python 3.7. The top answer (running pip install --upgrade pip enum34) did not solve the problem.
I don't know why, but the reason why this error happen is because enum.py was missing from .venv/myvenv/lib/python3.7/.
But the file was in /usr/lib/python3.7/.
Following this answer, I just created the symbolic link by myself :
ln -s /usr/lib/python3.7/enum.py .venv/myvenv/lib/python3.7/enum.py