Fixes for python3

.travis.yml

@@ -1,5 +1,8 @@
 language: python
-python: 2.7
+python:
+ - 2.7
+ - 3.5
+ - 3.6
 cache: pip
 
 env:

pytest_mp/plugin.py

@@ -123,7 +123,7 @@ def get_item_batch_name_and_strategy(item):
 
     # In general, multiple mp_group decorations aren't supported.
     # This is a best effort, since kwargs will be overwritten.
-    distilled = list(marker_args) + marker_kwargs.values()
+    distilled = list(marker_args) + list(marker_kwargs.values())
     if len(distilled) > 2 \
        or (len(distilled) == 2 and 'strategy' not in marker_kwargs
            and not any([x in distilled for x in ('free', 'isolated_free', 'serial', 'isolated_serial')])):
@@ -170,7 +170,7 @@ def batch_tests(session):
         for test in batches[group]['tests']:
             total_tests += 1
 
-    print 'There should be {} tests run.'.format(total_tests)
+    print('There should be {} tests run.'.format(total_tests))
 
     return batches
 

setup.py

@@ -42,6 +42,9 @@ def run_tests(self):
                    'Programming Language :: Python',
                    'Programming Language :: Python :: 2',
                    'Programming Language :: Python :: 2.7',
+                   'Programming Language :: Python :: 3',
+                   'Programming Language :: Python :: 3.5',
+                   'Programming Language :: Python :: 3.6',
                    'Programming Language :: Python :: Implementation :: CPython',
                    'Operating System :: OS Independent',
                    'License :: OSI Approved :: MIT License'],

tox.ini

@@ -4,7 +4,6 @@ envlist = lint, test
 
 [testenv]
 recreate = True
-basepython = python2.7
 passenv = PYTHONPATH
 setenv = PYTHONPATH = {toxinidir}:{env:PYTHONPATH:}:.