```
$ portlint -C
looks fine.
$ rm ../../distfiles/authres-0.900.tar.gz
$ make checksum
===> License APACHE20 accepted by the user
===> py27-authres-0.900 depends on file: /usr/local/sbin/pkg - found
=> authres-0.900.tar.gz doesn't seem to exist in /usr/home/dbaio/FreeBSD/ports_head/distfiles/.
=> Attempting to fetch https://pypi.python.org/packages/source/a/authres/authres-0.900.tar.gz
fetch: https://pypi.python.org/packages/source/a/authres/authres-0.900.tar.gz: Not Found
=> Attempting to fetch https://files.pythonhosted.org/packages/source/a/authres/authres-0.900.tar.gz
authres-0.900.tar.gz 100% of 19 kB 416 kBps 00m00s
===> Fetching all distfiles required by py27-authres-0.900 for building
=> SHA256 Checksum OK for authres-0.900.tar.gz.
```