diff --git a/setup.py b/setup.py
index f5d5911..139c80d 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import print_function
 
+import os
 import sys
 from setuptools import setup, find_packages
 from setuptools.command.test import test as TestCommand
@@ -13,17 +14,22 @@ tests_require = [
     'tox >= 2.3.1',
 ]
 
+
 class Tox(TestCommand):
+
     user_options = [('tox-args=', 'a', "Arguments to pass to tox")]
+
     def initialize_options(self):
         TestCommand.initialize_options(self)
         self.tox_args = None
+
     def finalize_options(self):
         TestCommand.finalize_options(self)
         self.test_args = []
         self.test_suite = True
+
     def run_tests(self):
-        #import here, cause outside the eggs aren't loaded
+        # import here, cause outside the eggs aren't loaded
         import tox
         import shlex
         args = self.tox_args
@@ -70,7 +76,7 @@ setup(
     license='Apache-2.0: http://www.apache.org/licenses/LICENSE-2.0',
     packages=find_packages(exclude=["unit_tests"]),
     zip_safe=False,
-    cmdclass = {'test': Tox},
+    cmdclass={'test': Tox},
     install_requires=install_require,
     extras_require={
         'testing': tests_require,
diff --git a/tox.ini b/tox.ini
index c469224..88fa4d9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,7 +32,7 @@ deps = -r{toxinidir}/requirements.txt
 basepython = python2.7
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-commands = flake8 {posargs} ceph unit_tests
+commands = flake8 {posargs} ceph unit_tests setup.py
 
 [testenv:venv]
 commands = {posargs}