loongson/pypi: links for error-cat

loongson/mirror error_cat-0.5-py3-none-any.whl
loongson/mirror error_cat-0.5-py2-none-any.whl
loongson/mirror error_cat-0.4-py3-none-any.whl
loongson/mirror error_cat-0.4-py2-none-any.whl
loongson/mirror error_cat-0.3-py3-none-any.whl
loongson/mirror error_cat-0.2-py3-none-any.whl
loongson/mirror error_cat-0.1-py3-none-any.whl