loongson/pypi: links for cf-pretty-form-errors

loongson/mirror cf-pretty-form-errors-1.0.4.tar.gz
loongson/mirror cf_pretty_form_errors-1.0.4-py2-none-any.whl
loongson/mirror cf-pretty-form-errors-1.0.3a0.tar.gz
loongson/mirror cf_pretty_form_errors-1.0.3a0-py2-none-any.whl
loongson/mirror cf-pretty-form-errors-1.0.2a0.tar.gz
loongson/mirror cf_pretty_form_errors-1.0.2a0-py2-none-any.whl