[issue26643] regrtest: rework libregrtest.save_env submodule

[STINNER Victor]

STINNER Victor added the comment:

regrtest now always displays before/after when the environment is altered. I consider that it's enough to close this issue.

I'm no more interested to try to enhance the output.

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resolution:  -> fixed
stage:  -> resolved
status: open -> closed

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<http://bugs.python.org/issue26643>
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