add back in py2.6

Author: anikamukherji

.travis.yml

@@ -5,6 +5,9 @@ cache: pip
 
 matrix:
   include:
+    - python: 2.6
+      env: TOXENV=py26
+      dist: trusty
     - python: 2.7
       env: TOXENV=py27
     - python: 3.3

setup.py

@@ -174,7 +174,7 @@
       packages=PACKAGES,
       package_data=PACKAGE_DATA,
       include_package_data=True,
-      python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*",
+      python_requires=">=2.6, !=3.0.*, !=3.1.*, !=3.2.*",
       classifiers=CLASSIFIERS,
       **setup_kwds
      )

src/future/tests/base.py

@@ -342,6 +342,10 @@ def _futurize_test_script(self, filename='mytestscript.py', stages=(1, 2),
                         '----\n%s\n----' % f.read(),
                     )
             ErrorClass = (FuturizeError if 'futurize' in script else PasteurizeError)
+
+            if not hasattr(e, 'output'):
+                # The attribute CalledProcessError.output doesn't exist on Py2.6
+                e.output = None
             raise ErrorClass(msg, e.returncode, e.cmd, output=e.output)
         return output
 
@@ -365,6 +369,9 @@ def _run_test_script(self, filename='mytestscript.py',
                         fn,
                         '----\n%s\n----' % f.read(),
                     )
+            if not hasattr(e, 'output'):
+                # The attribute CalledProcessError.output doesn't exist on Py2.6
+                e.output = None
             raise VerboseCalledProcessError(msg, e.returncode, e.cmd, output=e.output)
         return output
 

tox.ini

@@ -1,8 +1,9 @@
 [tox]
-envlist = py27,py33,py34,py35,py36,py37
+envlist = py26,py27,py33,py34,py35,py36,py37
 
 [testenv]
 deps =
     pytest
     unittest2
+    py26: importlib
 commands = pytest {posargs}