Merged in techtonik/virtualenvwrapper/techtonik/toxini-edited-online-with-bitbucket-1525341850929 (pull request #69)

Drop Python 2.6 support in tox

* tox.ini: get dependencies from requirements.txt

* Fix tox tests for Python 2.6

    They fail because of missing NullHandler (#289)

* Python 2.6 support is dropped

    https://bitbucket.org/virtualenvwrapper/virtualenvwrapper/pull-requests/69/fix-tests-with-python-26/diff#comment-63267802

* tox.ini: drop Python 2.6 support

* developers.rst: update supported Python versions

Approved-by: Jason Myers <jason@mailthemyers.com>

Author: techtonik

docs/source/developers.rst

@@ -69,7 +69,7 @@ The test suite for virtualenvwrapper uses shunit2_ and tox_.  The
 shunit2 source is included in the ``tests`` directory, but tox must be
 installed separately (``pip install tox``).
 
-To run the tests under bash, zsh, and ksh for Python 2.4 through 2.7,
+To run the tests under bash, zsh, and ksh for Python 2.7 through 3.6,
 run ``tox`` from the top level directory of the hg repository.
 
 To run individual test scripts, use a command like::

tox.ini

@@ -1,12 +1,10 @@
 [tox]
-envlist = py27,py26,py33,py34,py35,py36,zsh,ksh,style
+envlist = py27,py33,py34,py35,py36,zsh,ksh,style
 
 [testenv]
 install_command = pip install -U {opts} {packages}
 commands = bash ./tests/run_tests {envdir} []
-deps = virtualenv
-       virtualenv-clone
-       stevedore
+deps = -rrequirements.txt
 setenv =
     TOXIC = true
     SHELL = /bin/bash
@@ -19,18 +17,6 @@ whitelist_externals =
 deps = flake8
 commands = flake8 virtualenvwrapper docs/source/conf.py
 
-# Not sure why the basepython setting is needed, but on my system if
-# it isn't included then the python version picked up for 2.6 is
-# actually 2.7.
-#
-# IF THIS CAUSES YOU A PROBLEM COMMENT IT OUT BEFORE RUNNING THE TESTS.
-#
-[testenv:py26]
-basepython=python2.6
-setenv =
-  SHELL = /bin/bash
-commands =  bash ./tests/run_tests {envdir} []
-
 [testenv:zsh]
 basepython=python2.7
 setenv =