on a system w/o python3

[Skaperen]

Writing code for 2.x is an effort in futility.

unfortunately, platforms remain that only have Python2 working, and i need to run one of them and run many of my scripts on them.  a scenario that may affect many is the need to use a module that has not been upgraded to python3.  maybe after python2 is no longer supported, these situations will begin to be resolved.

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the first issue i ran into was that #!/usr/bin/env python3 was failing on platforms w/o python3.  it's obvious that something else is needed.  a standard way to "run the latest" version of python on the platform would have been helpful, such as #!/usr/bin/env python-latest, but this does not exist, now.