loongson/pypi: links for sewergraph

loongson/mirror sewergraph-0.1.4-py3-none-any.whl
loongson/mirror sewergraph-0.1.3-py3-none-any.whl
loongson/mirror sewergraph-0.1.2.tar.gz
loongson/mirror sewergraph-0.1.2-py3.7.egg
loongson/mirror sewergraph-0.1.2-py3-none-any.whl
loongson/mirror sewergraph-0.1.1.tar.gz
loongson/mirror sewergraph-0.1.0.tar.gz
loongson/mirror sewergraph-0.0.3.tar.gz
loongson/mirror sewergraph-0.0.2.tar.gz
loongson/mirror sewergraph-0.0.1.tar.gz