fix setup.py classifiers

Author: bouttier

setup.py

@@ -33,14 +33,14 @@
         ],
     },
     classifiers=['Development Status :: 1 - Planning',
-                'Intended Audience :: Developers',
-                'Natural Language :: English',
-                'Programming Language :: Python :: 3',
-                'Programming Language :: Python :: 3.4',
-                'Programming Language :: Python :: 3.5',
-                'Programming Language :: Python :: 3.6',
-                'Programming Language :: Python :: 3.7',
-                'Programming Language :: Python :: 3.8',
-                'License :: OSI Approved :: GNU Affero General Public License v3'
-                'Operating System :: OS Independent'],
+                 'Intended Audience :: Developers',
+                 'Natural Language :: English',
+                 'Programming Language :: Python :: 3',
+                 'Programming Language :: Python :: 3.4',
+                 'Programming Language :: Python :: 3.5',
+                 'Programming Language :: Python :: 3.6',
+                 'Programming Language :: Python :: 3.7',
+                 'Programming Language :: Python :: 3.8',
+                 'License :: OSI Approved :: GNU Affero General Public License v3',
+                 'Operating System :: OS Independent'],
 )