cleanup

setup.py

@@ -16,7 +16,7 @@ setup(name='westpy',
           'datetime',
           'requests', 
           'mendeleev',
-          'signac'
+          'signac',
           'urllib3'
       ],
       python_requires='>=2.7, >=3.0, !=3.0.*, !=3.1.*, !=3.2.*, <4',