Issue on page /scenarios/command_line.html

[yangbo.zhou]

(msmaro) apple@appledeMacBook-Pro msmaro % maro project new
Traceback (most recent call last):
File "/Users/apple/miniconda3/envs/msmaro/bin/maro", line 5, in
from maro.cli.maro import main
File "/Users/apple/miniconda3/envs/msmaro/lib/python3.6/site-packages/maro/cli/maro.py", line 11, in
from maro import version
ImportError: cannot import name 'version'

[yangbo.zhou]

used conda to create a clean py38 env, then install pymaro from source, fixed it.