centos7 安装python3.6及相应版本的ipython
# ipython Traceback (most recent call last):File "/usr/python3.6/bin/ipython", line 4, in <module>
from IPython import start_ipython
File "/usr/python3.6/lib/python3.6/site-packages/IPython/__init__.py", line 54, in <module>
from .core.application import Application
File "/usr/python3.6/lib/python3.6/site-packages/IPython/core/application.py", line 23, in <module>
from traitlets.config.application import Application, catch_config_error
ModuleNotFoundError: No module named 'traitlets'
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