[IPython-dev] ipython 7.7.0 install issues

[John Dey]

I'm building Python 3.7.4 with ipython7.7.0.

Issue:  Ipython depends on traitlets, and traitlets depends on
ipython_genutils.
ipython_genutils has been depreciated. pypi ipython_genutils: "Pretend this
doesn’t exist. Nobody should use it."

what am I doing wrong?  How to install traitlets?  jgraph also depends on
traitlets.

```
>>> import IPython
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File
"/app/easybuild/software/Python/3.7.4-foss-2016b-fh1/lib/python3.7/site-packages/IPython/__init__.py",
line 54, in <module>
    from .core.application import Application
  File
"/app/easybuild/software/Python/3.7.4-foss-2016b-fh1/lib/python3.7/site-packages/IPython/core/application.py",
line 23, in <module>
    from traitlets.config.application import Application, catch_config_error
ModuleNotFoundError: No module named 'traitlets'
>>> import IPython
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File
"/app/easybuild/software/Python/3.7.4-foss-2016b-fh1/lib/python3.7/site-packages/IPython/__init__.py",
line 54, in <module>
    from .core.application import Application
  File
"/app/easybuild/software/Python/3.7.4-foss-2016b-fh1/lib/python3.7/site-packages/IPython/core/application.py",
line 23, in <module>
    from traitlets.config.application import Application, catch_config_error
ModuleNotFoundError: No module named 'traitlets'
```

John Dey
john at fuzzdog.com
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