[PATCH 1 of 2 v2] run-tests: forward Python USER_BASE from site (issue5425)

[Yuya Nishihara]

On Wed, 16 Nov 2016 12:09:53 -0500, Augie Fackler wrote:
> # HG changeset patch
> # User Augie Fackler <augie at google.com>
> # Date 1478812044 18000
> #      Thu Nov 10 16:07:24 2016 -0500
> # Node ID 8aade97c1674716721a4b448385c56bb3b904a92
> # Parent  a1beadaa406116c0266c46064a00003be7de7394
> run-tests: forward Python USER_BASE from site (issue5425)

LGTM, queued the series, thanks.