[PATCH 1 of 2] py3: use email.generator.BytesGenerator in patch.split()

[Pulkit Goyal]

On Thu, Oct 10, 2019 at 12:02 PM Denis Laxalde <denis at laxalde.org> wrote:
>
> # HG changeset patch
> # User Denis Laxalde <denis.laxalde at logilab.fr>
> # Date 1570697337 -7200
> #      Thu Oct 10 10:48:57 2019 +0200
> # Node ID 707fc6aeadc33b02888e057e549c05d886fb67b0
> # Parent  52781d57313d512efb7150603104bea3ca11d0eb
> py3: use email.generator.BytesGenerator in patch.split()
>
> This fixes test-import.t on python3.
>
> We add Generator alias in mail module to handle python2/python3
> compatibility.

Queued these, many thanks!