[docs] [issue27285] Deprecate pyvenv in favor of python3 -m venv

[Steve Piercy]

New submission from Steve Piercy:

Per https://bugs.python.org/issue25154 `pyvenv` is deprecated in favor of `python3 -m venv`. The docs for Python 3.5+ need to be updated accordingly.

----------
assignee: docs at python
components: Documentation
messages: 268104
nosy: docs at python, stevepiercy
priority: normal
severity: normal
status: open
title: Deprecate pyvenv in favor of python3 -m venv
type: enhancement
versions: Python 3.5, Python 3.6

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27285>
_______________________________________