[PATCH 1 of 2] run-tests: partially backout PYTHON quoting

[Yuya Nishihara]

On Fri, 21 Sep 2018 01:03:04 -0400, Matt Harbison wrote:
> # HG changeset patch
> # User Matt Harbison <matt_harbison at yahoo.com>
> # Date 1537501530 14400
> #      Thu Sep 20 23:45:30 2018 -0400
> # Node ID 1b0ca924a1c3de80bf3b2b3efcf0f82b2815b4d7
> # Parent  7303ab86431a09f85f19606f932a645f6999ec24
> run-tests: partially backout PYTHON quoting

Queued this, thanks.