[PATCH] keepalive: drop check for unsupported version of Python

[Augie Fackler]

On Tue, Nov 29, 2016 at 04:50:10PM +0000, Jun Wu wrote:
> Marked as Pre-reviewed. Thanks for the cleaning up!

indygreg already got to this conditional in bc0def54c17d, so this
rebased away to nothing when I queued it. Thanks though!

>
> Excerpts from Bryan O'Sullivan's message of 2016-11-29 08:38:54 -0800:
> > # HG changeset patch
> > # User Bryan O'Sullivan <bryano at fb.com>
> > # Date 1480437473 28800
> > #      Tue Nov 29 08:37:53 2016 -0800
> > # Node ID 540fa940cd226021726c27475d4754cbf70246e4
> > # Parent  6a8aff737a17ada068b8ce4501184eacc66e827f
> > keepalive: drop check for unsupported version of Python
> >
> > diff --git a/mercurial/keepalive.py b/mercurial/keepalive.py
> > --- a/mercurial/keepalive.py
> > +++ b/mercurial/keepalive.py
> > @@ -333,8 +333,7 @@ class KeepAliveHandler(object):
> >          # What follows mostly reimplements HTTPConnection.request()
> >          # except it adds self.parent.addheaders in the mix.
> >          headers = req.headers.copy()
> > -        if sys.version_info >= (2, 4):
> > -            headers.update(req.unredirected_hdrs)
> > +        headers.update(req.unredirected_hdrs)
> >          headers.update(self.parent.addheaders)
> >          headers = dict((n.lower(), v) for n, v in headers.items())
> >          skipheaders = {}
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