Drop unsupported Python 2.6

.travis.yml

@@ -4,14 +4,13 @@ cache:
   directories:
   - "$HOME/.cache/pip"
 python:
-- '2.6'
+- pypy
+- pypy3
 - '2.7'
 - '3.2'
 - '3.3'
 - '3.4'
 - '3.5'
-- pypy
-- pypy3
 install:
 - travis_retry pip install -r requirements-${TRAVIS_PYTHON_VERSION}.txt --allow-external
   argparse

MANIFEST.in

@@ -1,6 +1,5 @@
 include AUTHORS
 include requirements.txt
-include requirements-py26.txt
 include requirements-docs.txt
 include tox.ini
 include unittest.cfg

docs/dev/internals.rst

@@ -9,7 +9,6 @@ you want to contribute to nose2.
    :maxdepth: 2
 
    main
-   compat
    exceptions
    loader
    result

docs/differences.rst

@@ -11,8 +11,8 @@ Python Versions
 ^^^^^^^^^^^^^^^
 
 nose supports Python 2.4 and above, but nose2 *only supports Python
-2.6, 2.7, 3.2, 3.3, 3.4, 3.5 and pypy*. Unfortunately, supporting Pythons 
-older than 2.6 along with Python 3 in the same codebase is not practical. 
+2.7, 3.2, 3.3, 3.4, 3.5 and pypy*. Unfortunately, supporting Pythons
+older than 2.6 along with Python 3 in the same codebase is not practical.
 Since that is one of the core goals of nose2, support for older versions of
 Python had to be sacrificed.
 

docs/getting_started.rst

@@ -19,9 +19,8 @@ Dependencies
 ~~~~~~~~~~~~
 
 For Python 2.7, Python 3.2 and pypy, nose2 requires `six`_ version
-1.1. For Python 2.6, nose2 also requires `argparse`_ version 1.2.1 and
-`unittest2`_ version 0.5.1. When installing with pip, distribute or
-setuptools, these dependencies will be installed automatically.
+1.1. When installing with pip, distribute or setuptools, these dependencies
+will be installed automatically.
 
 
 Development version
@@ -64,5 +63,3 @@ see :doc:`usage` and :doc:`configuration`.
 .. _pip : http://pypi.python.org/pypi/pip/1.0.2
 .. _pypi : http://pypi.python.org/pypi
 .. _six : http://pypi.python.org/pypi/six/1.1.0
-.. _argparse : http://pypi.python.org/pypi/argparse/1.2.1
-.. _unittest2 : http://pypi.python.org/pypi/unittest2/0.5.1

nose2/loader.py

@@ -6,11 +6,10 @@
 
 import logging
 import traceback
-
 import six
+import unittest
 
 from nose2 import events
-from nose2.compat import unittest
 
 
 log = logging.getLogger(__name__)

nose2/main.py

@@ -1,8 +1,8 @@
 import logging
 import os
 import sys
+import unittest
 
-from nose2.compat import unittest
 from nose2 import events, loader, runner, session, util