[Python-checkins] [python/cpython] 91b0e7: Doc/Makefile: set PYTHON to python3 (#124)

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/python/cpython
  Commit: 91b0e7d0ca7c59df28f6a6fc1e8eb86a3925b76c
      https://github.com/python/cpython/commit/91b0e7d0ca7c59df28f6a6fc1e8eb86a3925b76c
  Author: Victor Stinner <victor.stinner at gmail.com>
  Date:   2017-02-15 (Wed, 15 Feb 2017)

  Changed paths:
    M .travis.yml
    M Doc/Makefile

  Log Message:
  -----------
  Doc/Makefile: set PYTHON to python3 (#124)

rstlint.py run by "make check" doesn't support Python 2.

"make venv" runs "$(PYTHON) -m venv", whereas Python 2 doens't
provide the venv module: it's a module of Python 3 standard library.