add project url in setup.

Author: baoleai

.github/workflows/upload_packages.sh

@@ -33,5 +33,5 @@ else
   echo "password=$PYPI_PWD"                          >> ~/.pypirc
 
   python -m pip install twine
-  python -m twine upload -r pypi --skip-existing dist/*
+  python -m twine upload -r pypi dist/*
 fi

setup/setup.py

@@ -77,6 +77,12 @@
     version=_VERSION,
     description='Python Interface for Graph Neural Network',
     url="https://github.com/alibaba/graph-learn",
+    python_requires='>=3.6',
+    project_urls={
+      'Bug Tracker': 'https://github.com/alibaba/graph-learn/issues',
+      'Documentation': 'https://graph-learn.readthedocs.io/en/latest/',
+      'Source Code': 'https://github.com/alibaba/graph-learn',
+    },
     ext_package='graphlearn',
     ext_modules=extensions,
     packages=find_packages(),