forgot comma,

Author: Fedor Baart

setup.py

@@ -58,7 +58,7 @@ def find_version(*file_paths):
         'Topic :: System :: Distributed Computing',
 
         # Pick your license as you wish (should match "license" above)
-        "License :: OSI Approved :: GNU General Public License v3 (GPLv3)"
+        "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
 
         # Specify the Python versions you support here. In particular, ensure
         # that you indicate whether you support Python 2, Python 3 or both.