loongson/pypi: links for flake8-pep257

loongson/mirror flake8-pep257-1.0.5.tar.gz
loongson/mirror flake8-pep257-1.0.4.tar.gz
loongson/mirror flake8-pep257-1.0.3.tar.gz
loongson/mirror flake8-pep257-1.0.2.tar.gz
loongson/mirror flake8-pep257-1.0.0.tar.gz