[PATCH 1 of 3] py3: conditionalize httplib import

[Yuya Nishihara]

On Fri, 1 Jul 2016 20:13:11 +0530, Pulkit Goyal wrote:
> > if sys.version_info[0] < 3:
> >     import httplib
> > else:
> >     import http.client as httplib  
> 
> Yeah we can have just one if else and fit all of them there. I will
> send a patch related to this, if its okay.

There seems no -1, let's do that. You might have to work around
test-check-pyflakes.t, which would report unused imports.