fix setup.py
diff --git a/setup.py b/setup.py
index df060d3..d20388a 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
'author_email': 'phihag@phihag.de',
'url': 'https://github.com/phihag/ipaddress',
'license': 'Python Software Foundation License',
- 'classifiers': (
+ 'classifiers': [
'Development Status :: 5 - Production/Stable',
'Intended Audience :: Developers',
'Natural Language :: English',
@@ -25,7 +25,7 @@
'Programming Language :: Python :: 2.7',
'Programming Language :: Python :: 3.2',
'Programming Language :: Python :: 3.3',
- ),
+ ],
'py_modules': ['ipaddress']
}