diff --git a/setup.py b/setup.py
index 76d0c73..b6b3bfe 100644
--- a/setup.py
+++ b/setup.py
@@ -15,32 +15,32 @@ class PyTest(TestCommand):
         sys.exit(pytest.main(['tests']))
 
 setup(
-    name="amodem",
-    version="1.9",
-    description="Audio Modem Communication Library",
-    author="Roman Zeyde",
-    author_email="roman.zeyde@gmail.com",
-    license="MIT",
-    url="http://github.com/romanz/amodem",
+    name='amodem',
+    version='1.9',
+    description='Audio Modem Communication Library',
+    author='Roman Zeyde',
+    author_email='roman.zeyde@gmail.com',
+    license='MIT',
+    url='http://github.com/romanz/amodem',
     packages=['amodem'],
     tests_require=['pytest'],
     cmdclass={'test': PyTest},
     install_requires=['numpy', 'six'],
     platforms=['POSIX'],
     classifiers=[
-        "Development Status :: 4 - Beta",
-        "Intended Audience :: Developers",
-        "Intended Audience :: Information Technology",
-        "License :: OSI Approved :: MIT License",
-        "Operating System :: POSIX",
-        "Programming Language :: Python :: 2.6",
-        "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3.2",
-        "Programming Language :: Python :: 3.3",
-        "Programming Language :: Python :: 3.4",
-        "Topic :: Software Development :: Libraries :: Python Modules",
-        "Topic :: System :: Networking",
-        "Topic :: Communications",
+        'Development Status :: 4 - Beta',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Information Technology',
+        'License :: OSI Approved :: MIT License',
+        'Operating System :: POSIX',
+        'Programming Language :: Python :: 2.6',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3.2',
+        'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
+        'Topic :: Software Development :: Libraries :: Python Modules',
+        'Topic :: System :: Networking',
+        'Topic :: Communications',
     ],
     scripts=['amodem-cli'],
 )