Update setup.py

- Fixed a typo causing `networkx` dependency to not be installed.

Author: michaelnchin

setup.py

@@ -70,7 +70,7 @@ def get_version():
         'SPARQLWrapper==1.8.4',
         'requests',
         'ipywidgets==7.7.2',
-        'jupyterlab_widgets>=1.0.0,<3.0.0'
+        'jupyterlab_widgets>=1.0.0,<3.0.0',
         'networkx==2.4',
         'Jinja2==3.0.3',
         'notebook>=6.1.5,<6.5.0',