It did not. But I uninstalled Pyzo and was then able to successfully install and run the original 64-bit 4.6.0 Apparently that's all it needed. Thanks! I would close this issue, but I'm not sure if ...
File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/numpy/init.py", line 142, in from . import core File "/Library/Frameworks/Python ...