enhancement request: make py3 read/write py2 pickle format

[Chris Angelico]

On Wed, Jun 10, 2015 at 9:04 PM, Neal Becker <ndbecker2 at gmail.com> wrote:
> I believe a good native serialization system is essential for any modern
> programming language.  If pickle isn't it, we need something else that can
> serialize all language objects.  Or, are you saying, it's impossible to do
> this safely?

It is indeed impossible to serialize _all_ objects safely. How do you,
for instance, serialize an open socket?

ChrisA