missing comma in setuptools requirement

setup.py

@@ -193,7 +193,7 b' extras_require = dict('
     nbconvert = ['nbconvert'],
 )
 install_requires = [
-    'setuptools>=18.5'
+    'setuptools>=18.5',
     'decorator',
     'pickleshare',
     'simplegeneric>0.8',