[issue7826] support caching for 2to3

[Brian Harring]

Brian Harring <ferringb at gmail.com> added the comment:

Contributor agreement form is enroute via snail mail... kind of wish y'all accepted pdf's via email though ;)

As for the print("cache hit"), that should be punted- not very useful in it's current form (doesn't indicate what 'hit') and slipped in accidentally.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue7826>
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