loongson/pypi: links for nbextension-run-checkpy

loongson/mirror nbextension-run-checkpy-0.2.2.tar.gz
loongson/mirror nbextension-run-checkpy-0.2.1.tar.gz
loongson/mirror nbextension-run-checkpy-0.2.tar.gz
loongson/mirror nbextension-run-checkpy-0.1.tar.gz