[PATCH py3] regex: make the regular expression bytes to prevent TypeError

[Yuya Nishihara]

On Sun, 19 Mar 2017 13:55:49 +0530, Pulkit Goyal wrote:
> # HG changeset patch
> # User Pulkit Goyal <7895pulkit at gmail.com>
> # Date 1489707658 -19800
> #      Fri Mar 17 05:10:58 2017 +0530
> # Node ID 0b63c5f5bb298086e4d847941943b007ce7bec63
> # Parent  e0e1c056226ea2cac3e3a312b1455d37d8ae8d6c
> regex: make the regular expression bytes to prevent TypeError

Queued this, thanks.