[issue40275] test.support has way too many imports

[Vinay Sajip]

Vinay Sajip <vinay_sajip at yahoo.co.uk> added the comment:

What is the practical impact on the time taken for test runs? How much does the total time for a test run reduce as a result of refactoring test.support to minimise imports?

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nosy: +vinay.sajip

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40275>
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