--- a/testing/mozbase/mozprocess/setup.py
+++ b/testing/mozbase/mozprocess/setup.py
@@ -13,17 +13,17 @@ setup(name='mozprocess',
       description="Mozilla-authored process handling",
       long_description="see https://firefox-source-docs.mozilla.org/mozbase/index.html",
       classifiers=['Environment :: Console',
                    'Intended Audience :: Developers',
                    'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)',
                    'Natural Language :: English',
                    'Operating System :: OS Independent',
                    'Programming Language :: Python :: 2.7',
-                   'Programming Language :: Python :: 3'
+                   'Programming Language :: Python :: 3.5'
                    'Topic :: Software Development :: Libraries :: Python Modules',
                    ],
       keywords='mozilla',
       author='Mozilla Automation and Tools team',
       author_email='tools@lists.mozilla.org',
       url='https://wiki.mozilla.org/Auto-tools/Projects/Mozbase',
       license='MPL 2.0',
       packages=['mozprocess'],

--- a/testing/mozbase/mozprocess/tests/test_output.py
+++ b/testing/mozbase/mozprocess/tests/test_output.py
@@ -1,13 +1,12 @@
 #!/usr/bin/env python
 
 from __future__ import absolute_import
 
-import io
 import os
 
 import mozunit
 
 import proctest
 from mozprocess import processhandler
 import six